MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with numerous links pointing to compromised WordPress upload storage and other disposable hosting. The embedded URLs, while some are marked benign, are part of a larger pattern of redirecting users to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://basyapiemlak.com/yukleme_klasoru/userfiles/file/jixofivexuregoporiwovo.pdf In PDF document text
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/161467f96d51bd---24924666610.pdfIn PDF document text
- https://szaniterplaza.hu/ckfinder/userfiles/files/13987192436.pdfIn PDF document text
- http://elesi.eu/fichiers/files/kozame.pdfIn PDF document text
- http://websteravelandscaping.com/editorData/file/34085555477.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614206c74a15d---21848483201.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/71dd5hem68f68bcutmf499lua2/43013543529.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/161356f9792bb3---27617788054.pdfIn PDF document text
- http://collectifff.be/imgdb/accueil/files/rajuwideperewi.pdfIn PDF document text
- http://aatmicscience.org/asuserfiles/file/18253728388.pdfIn PDF document text
- http://www.yemany.com/yemfiles/files/97049608178.pdfIn PDF document text
- http://tyros-club.de/userfiles/file/bilesawujikawipete.pdfIn PDF document text
- https://chrmglobal.com/userfiles/file/9547269367.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/bfcc16008302f1f4dc2ce92a5328c7de/ridipadefiruravapinujem.pdfIn PDF document text
- https://sandp-engineering.com/ckfinder/userfiles/files/dakemiji.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/4a8322c71b8dfe6a57c39a0f17708fed/dimizu.pdfIn PDF document text
- http://ozcetinler.com/userfiles/file/8708042711.pdfIn PDF document text
- https://tomorrowhubs.com/upload/users/files/pivigijugiru.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16148fa8d51579---45879648219.pdfIn PDF document text
- http://foxadv.net/file/noxifagawenotofomadapu.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/63b6d2bb6bef721cf4d03e2b68380bdc/67217850385.pdfIn PDF document text
- http://amblesidewindermere.ca/fckuploads/images/file/lopivofusojefobu.pdfIn PDF document text
- https://brawlcall.jordanadams.com/ckfinder/userfiles/files/potefesuzigujapep.pdfIn PDF document text
- http://tortsurprise.ru/upload/redactor/files/30444650273.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=free+4d+wallpaper+for+androidPDF 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_off0000cb44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e356.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE356 | 17036 bytes |
SHA-256: 64a710acce234d10026f47e737ce40d8745f2f2a6a81dd22e4abb02448a29a48 |
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font_02_sfnt_off00010f27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F27 | 10364 bytes |
SHA-256: 764c6b3be6add1c90d2866b524e87575ce3c3a71112c599ec7db2d7789d0565b |
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