MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable domains. These links likely serve as lures for phishing attacks or to distribute further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 https://cructi.ru/uplcv?utm_term=kaon+ar+4010+manual PDF link annotation
- http://alphasigmaoverseas.com/userfiles/file/80779479688.pdfIn PDF document text
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160aa25e8254ae---segogibonitigunewama.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1e2dbc8a73---xodoxi.pdfIn PDF document text
- https://highendteen.com/userfiles/files/52919403710.pdfIn PDF document text
- http://jfhconsultancy.nl/userfiles/files/41046343942.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/9tidask5i6tsou4djdldan98t4/pitulowajakiwividim.pdfIn PDF document text
- http://synthecinter.com/userfiles/files/nerilabimimubazobuno.pdfIn PDF document text
- https://roweryelectra.eu/app/webroot/uploads/file/16201341143728.pdfIn PDF document text
- http://autowagon.it/userfiles/files/11137394294.pdfIn PDF document text
- https://hgb.se/filer/file/kitijoser.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-8-26/20210826162600651153.pdfIn PDF document text
- http://merlegdoktor.hu/tmp/36335493152.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a31c4872b06---rizeboxerare.pdfIn PDF document text
- http://kashima.cc/userfiles/file/10186035491.pdfIn PDF document text
- https://totounited.com/contents/files/14256451621.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/66031452507.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16088a6cd729c5---97790589457.pdfIn PDF document text
- https://europacreativaeuskadi.eu/files/galeria/files/rawotaze.pdfIn PDF document text
- https://x-software.cz/data/file/mojukikuxevepiwixowaso.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118253c27a44---zafimojoxopeja.pdfIn PDF document text
- http://namjapizza.com/app/webroot/files/bamonobajumag.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7c0422b19---39423008375.pdfIn PDF document text
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF9E | 18488 bytes |
SHA-256: 8288ab245514880894aa3bfff216ce882872562425c44e0efcc1da2c5aeb7514 |
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font_01_sfnt_off0001103f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1103F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12856 | 10120 bytes |
SHA-256: 836a7a4a40d763e321d8f418bfaa98175c01b6accc47cabd45a85735c6de8637 |
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