MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links to external websites, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure indicate an attempt to lure users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://pistant.ru/uplcv?utm_term=how+do+i+delete+songs+off+my+ipod
- http://forglass.sk/userfiles/file/75371681545.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/ncsb6be7plrbtapnauoq3d8uo5/wobuvegiwevufanetuvosima.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba46c5b34bf---pajuvaberokojejanan.pdf
- https://aartipalette.com/userfiles/file/famukidow.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/a26779217abf63f8fdf36854cad8583b/2696171540.pdf
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/pibijisodidoz.pdf
- http://wasserburg.pl/userfiles/file/14492881946.pdf
- https://mt-creativestudio.com/ckfinder/userfiles/files/lilereboroviwunak.pdf
- http://wallsfamilyreunion.com/clients/876683/File/76446963846.pdf
- https://asthasupermarket.com/userfiles/file/19766070980.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bf3db90548---dukopalalipufago.pdf
- http://paillasse.hu/userfiles/file/foxikonijabuwut.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/3310dadb9906d78acd94009913c2b4f6/lesaluwuxar.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/16074a735cd9e8---42562450054.pdf
- http://cherishedmomentphotos.com/clients/8/84/84fe84b553acfcd191e166b7401b6f02/File/lobipidaxurenonajikix.pdf
- http://humanitool.ru/userfiles/file/55535617585.pdf
- http://fouladsazanco.com/Upload/file/fodobelival.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cc9b96532---fuzowixemabewuxarusapetek.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160983cb2e9f75---37573298656.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a27352c930c---fokanogegaxupebadeva.pdf
- http://donghocasiochinhhang.net/uploads/userfiles/file/fowazobojuro.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a77af96047f---23867012194.pdf
- https://palcev.ru/userfiles/file/72998077792.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/17fe1b393fba979d32dbab36a800ea3f/zobuwef.pdf
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/43070a0e7b9ed05af4a23e369309d258/zegag.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_off0000e813.bind4ec209cff7e119ead3e1b40e3f5dde02be293b8ccf99cabb21521a0be51701f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE813 | 16244 bytes |
font_01_sfnt_off000111e4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E4 | 16792 bytes |
font_02_sfnt_off000129fb.bin72068c40e31b235036922c5b0822ac59a9a81efae21681a4ef282ac0cacf76de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129FB | 10768 bytes |
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