MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as a malicious PDF by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites. These sites, in turn, host further PDF files, suggesting a multi-stage distribution or phishing scheme. The presence of a raw IP address in one of the URIs further indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9769
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/2e10b2df11ea98254ef88fe08aa2b541/32788218290.pdf In PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160c74bc8795bf---zikakuno.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/fcc1a222c958d3248fa494cbfe08c0e2/tozotigodifude.pdfIn PDF document text
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/e4d87e39187d52ad727054499b40c787/8037211376.pdfIn PDF document text
- http://hoondb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097294bd45f3---dogozanowa.pdfIn PDF document text
- http://www.nomorcantikjoss.com/file/49548254898.pdfIn PDF document text
- http://virtualcharityevents.com/vce_cake/files/files/31148935351.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c527b993a1e---81094112078.pdfPDF link annotation
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608e6975f39c2---55801573551.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2f1d62975---50017638125.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0997d76c1---madajomorejuxapabog.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757975448ab---tobekigevofir.pdfIn PDF document text
- http://adria-ex.com/images/blog//file/12719269675.pdfIn PDF document text
- http://lg-palette.com/upload/files/tisudejupeluwixosufabu.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/denige.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160917eb941d22---45471596697.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098c25cd8cff---70162401724.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160cc6c6457d83---dafevunevibazi.pdfIn PDF document text
- https://akapacha.com/userfiles/file/23878169967.pdfIn PDF document text
- http://kochamsushi.pl/UserFiles/file/57211635175.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/pfovasmc6on4f7t498fdq3oct5/52263543206.pdfIn PDF document text
- http://magnumprint.ru/upload/files/40638421553.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/0c353plrul253ipc9j8601spt2/kidikakulanag.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c90584bdb1---65339766572.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/27372536812.pdfIn PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kefur.pdfIn PDF document text
- http://asianmosaicnyc.com/userfiles/file/pobevasirezito.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=similarities+between+jamestown+and+plymouthPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f15f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10970 | 16252 bytes |
SHA-256: bfc7ce51a1a9b37382af61f0075eb0cdb972126da031002d338643432d80e6e4 |
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font_02_sfnt_off00011f4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F4C | 17356 bytes |
SHA-256: 6a6f701a0dc899f7cf95e8703aaae94d2f2950f1678034456905afa82a8980b1 |
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font_03_sfnt_off00014c62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C62 | 11300 bytes |
SHA-256: 5cdb2f58b023aaf69ec6191a7c1826c8165d3b5c6f74104453b58c166d07a7da |
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