MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as a phishing trojan and by an ML classifier, indicating malicious intent. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of a UTM term redirector further supports the idea of a coordinated campaign.
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 http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/sdlp6mf67sigd2elct60vchhk5/67375177462.pdf In PDF document text
- http://yoron.net/up/files/woxan.pdfIn PDF document text
- http://yangpupark.com/uploadfile/files/gorixalex.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160db4f904cbfc---7970851216.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/48c5a27fcc0f42fcf609e4d13c6405aa/14745482230.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/72031746316.pdfIn PDF document text
- http://gagutp.com/sa_upload/userfiles/file/20210614031449.pdfIn PDF document text
- https://drsaman.com/files/62740942391.pdfIn PDF document text
- http://bielwod.com/userfiles/file/givevu.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/59511171207.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc0bc408f1c---46278373034.pdfIn PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/49163613568.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c030d139d47---1170257821.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd7cf13b1f2---zufajupo.pdfIn PDF document text
- https://southernlightingsource.com/wp-content/plugins/super-forms/uploads/php/files/709d6f1341f78063267a5796db5dfced/17656093326.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc0ed8e471---2348994721.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/ruzufo.pdfIn PDF document text
- http://mclarenquartz.in/ci/userfiles/files/3813817616.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a554d751658---remojem.pdfIn PDF document text
- http://dentalclinicbangalore.com/uploads/titapopetekesasapi.pdfIn PDF document text
- http://harissarantis.com/userfiles/files/11722808945.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5c00b8ae3---50346739081.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=gravitational+attraction+between+two+objectsPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e451.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE451 | 10684 bytes |
SHA-256: d06113d89df54d7cf1c50171186e6b0636b84eb13074cc4353361aaaeefa3dbc |
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font_01_sfnt_off0000fcfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCFC | 17912 bytes |
SHA-256: d05c018f6c80782334890d0aa1bb8035fcc31fc90bb13da06c02bf02e4253f3d |
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font_02_sfnt_off00012c1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C1F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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