MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a non-clustered link farm on disposable hosting, further supporting this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://commsoft.nu/demo/ktb/wsmbilder/files/naresof.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/71355008674.pdf
- http://fly.no1-yes.com/userfiles/file/tozawowifimotetotofi.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/to44rnilhainprqgfgmtcoe3fb/90464854620.pdf
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d17f2be9c---guvizalugaf.pdf
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/i2d2335gdahu3bf37up999t1t2/17611341709.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/c53c615a61d779f784e56d6cfbf232fe/21362028501.pdf
- https://viboot.com/ckfinder/userfiles/files/78093748776.pdf
- https://anpheatingandac.com/nbloom/fckuploads/file/66663495929.pdf
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cf54256d739---sabewiwinuduw.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160894fa73d798---jujixukol.pdf
- http://clinivetmadonnadirosa.eu/userfiles/files/95809438842.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985e5c27d50---91835423110.pdf
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/21c3bc79d501ed8321bd87fa2b889ac5/rurabekoxoli.pdf
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/f3cpieiu18q2b8qbtkhkmmhrl3/kasigebefojasilipamaban.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7db0332e69---wotuxejuvozuxazax.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a356835988c---55335380397.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/42df53082c66be48bd7a691c2af71914/keronilakorebiluleg.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/cee679a547da4adac5eb955f6454c41b/96672214737.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=new+year+monday+motivational+quotes
- 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_off0000ffb5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFB5 | 16792 bytes |
font_01_sfnt_off000117c7.binf5e42a1fac564dd8cd0d5d8ea70a8cb1e11dee8e5e0da0814e112dab755c78d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117C7 | 17616 bytes |
font_02_sfnt_off00014578.bin28ee03157785eeda0caf8f5feb812fa3429979970ac563f9e20f6150a41ad995 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14578 | 10896 bytes |
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