MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised WordPress upload storage and other potentially malicious sites. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM firings suggests an attempt to obscure the true destination and evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a78ad799b24---wodewesekirewefez.pdf In PDF document text
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16091778fb2935---denopadetuzumume.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da2b9c74710---babebamegululiwu.pdfIn PDF document text
- https://chokysitohang.com/Uploads/userfiles/files/xonovi.pdfIn PDF document text
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/b9e8b5292013ed2fbd86b441aea7915f/63121827696.pdfIn PDF document text
- https://aravlicraft.com/cmsCart//upload/file/jagarodavitajebikov.pdfIn PDF document text
- https://x-software.cz/data/file/tutumimizujimufunud.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608beed0d4ddf---lujatolowamuxavegefaso.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607008954157a---katad.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071f8164e19c---wutasijizu.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160820f65582b7---papex.pdfIn PDF document text
- http://norilskgu.ru/userfiles/file/94278816582.pdfIn PDF document text
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/f372306b736e5a4b47d480c802ba5bb1/lojigatagujike.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/486de3f4ccd4033de26149b79501560d/23554114657.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a2fb32c10---72541034143.pdfIn PDF document text
- http://sklepjola.pl/userfiles/file/17055471161.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/f5197f753891e493c4590a5bcc38ffab/87277753547.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b2c52b499---monarufonesok.pdfIn PDF document text
- http://kapli74.ru/upload_picture/woximiwukofexiwinataj.pdfIn PDF document text
- https://kop-trans.pl/uploads/userfiles/files/68968786873.pdfIn PDF document text
- http://bmsorganica.com/userfiles/file/36061982690.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b74a2231bbf---jusujitewivapavonerubumo.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/83566952824.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/foxijin.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=right+to+freedom+meansPDF 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_off0000f544.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF544 | 17596 bytes |
SHA-256: 53998c2a60da8e2332b701a4a23b531f83ea981baf2ea4cdcd2b42e8dc9c8792 |
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font_01_sfnt_off0001234c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1234C | 10800 bytes |
SHA-256: 780a48ca9ebbb9ea6b9206e09d5da4932ca3be59733dd39349b98c0745e6ef23 |
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font_02_sfnt_off00013bd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BD0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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