MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a phishing or spam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary function appears to be redirecting users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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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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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://crewmak.ru/uplcv?utm_term=shadow+of+doubt
- https://foundryindia.org/userfiles/file/73598278121.pdf
- http://strandedtattoo.net/file/xidabojegomumemunor.pdf
- http://agendaalzheimer.org/files/galeria/files/69749344683.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/37lnbmhfh86bceo5599n6kulqn/nibubelonawav.pdf
- https://istanbularicilikfestivali.com/upload/ckfinder/files/31386484071.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609abfe03ac84---22180603696.pdf
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afba21111e8---65321661747.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/vscpj3e9iv54mkjbsuehd0bj64/kojinamigepawomepovib.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160c174833d6fe---19284151149.pdf
- https://cargobull.cz/res/file/61735879329.pdf
- http://colorfulmedia.de/fotki/fotki/file/zisuveruba.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16089eab08eb65---31386636736.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e1a640675b2---75423102092.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/f2a996c43c95cc7db41bf6d89ce139e0/62975775010.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/11a5da333791216caf17e9c45283f35a/19125993792.pdf
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160caec9ae9747---gawokanijivuragano.pdf
- https://m-astar.com/UserFiles/files/52097898809.pdf
- https://vestol.bg/files/file/xopofikomunirevosidalej.pdf
- https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/euihhvv4vsthehjk4ci24cjgds/xakosuperosegom.pdf
- http://vankouwenenmastop.nl/UserFiles/file/fexomolopita.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ac16d4baaaa---52993742183.pdf
- http://usaoxin.com/userfiles/2021-5/file/juxafi.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/inn7r9s0nefc2ht7qc1cgg8a93/kigetito.pdf
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/d832a2c3798e731f6fedcc3020fa2ed5/36228932331.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/48dcb098ad9f8a3db4bf89edb9cf6151/72782760223.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16098b617eab04---bipatulifirutideberig.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f80c.bine3834d619a1c59318d92c610584da946d545e48e766b6a1f82d29586c8e24048 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF80C | 10212 bytes |
font_01_sfnt_off00010f29.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F29 | 16792 bytes |
font_02_sfnt_off0001273b.bin773b94d84684273bce3fa6e2259b84c88dc2e5e24a7d9a93e4fbff36490ad4a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1273B | 17336 bytes |
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