MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It functions as a link farm, containing numerous URLs that point to various websites. Several of these URLs are hosted on compromised CMS platforms, indicating a potential phishing or malware distribution scheme. The presence of multiple external URIs and link farm characteristics suggests an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://markasib.ru/ckfinder/userfiles/files/kejakijozopuxodi.pdf In PDF document text
- https://bhopalliteraturefestival.com/mpsdp/uploads/files/kiloverobufenebolojako.pdfIn PDF document text
- http://itkaufmann.com/images/fckimages/file/35145564075.pdfIn PDF document text
- https://icon-studios.com/userfiles/file/zupag.pdfIn PDF document text
- http://opt-russtd.ru/data_center/upload_pictures/file/zejukized.pdfIn PDF document text
- https://afmiletisim.afmiletisimajansi.info/resimler/files/xesopam.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2cdd6d822---63315058705.pdfIn PDF document text
- https://digireg.gr/upload/xegexef.pdfIn PDF document text
- http://christ-china.com/filespath/files/20210905010450.pdfIn PDF document text
- http://npas.ru/pic/file/22336281172.pdfIn PDF document text
- http://www.slenderclub.cz/ckfinder/userfiles/files/69174735786.pdfIn PDF document text
- http://mis.nrru.ac.th/gradjournal/ckfinder/userfiles/files/62466142237.pdfIn PDF document text
- https://evermoral.hk/upload/file/1631303471.pdfIn PDF document text
- http://ineke-ott.nl/keramiek-beelden-imagesfile/wolotexewoleletiz.pdfIn PDF document text
- http://ecolservizinettuno.com/userfiles/files/74388181561.pdfIn PDF document text
- http://hidramaco.com/files/files/27429420194.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/d2dcffe81fc476213a24b7d42382f341/wujakod.pdfIn PDF document text
- http://ore-processing.ru/d/files/22182506728.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/5d40e2724088fb6a4e166aa341bc0c19/mevawugosufibizet.pdfIn PDF document text
- https://papiratisk.cz/soubory/48314257951.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161330f628eb5f---pebukobufigu.pdfIn PDF document text
- https://digireg.nz/upload/8444034390.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/ec4md8i4ivcl7qttmf5jl9eepg/jotamebugirojuxiw.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/1980cc4918b8e0ba47b6e483b04c6bce/82913316682.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=open+an+apk+file+on+pcPDF 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_off0000c48e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC48E | 16044 bytes |
SHA-256: edc85d7471c40aec880584fcd4bbc3b69bb53b7b026df0cbe547efe752d46492 |
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font_01_sfnt_off0000edc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC6 | 10224 bytes |
SHA-256: 8c0528eee300d5a38dcc1ef773cc6fb12ef19c4348984e17a3ea48b9dd588611 |
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font_02_sfnt_off000104d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104D4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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