MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to compromised CMS uploads or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm strategy, likely to drive traffic to malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://laborke.ru/uplcv?utm_term=zack+snyder+justice+league+full+movie+free PDF link annotation
- http://climtech.com/files/files/xitox.pdfIn PDF document text
- http://xn--66-6kc8bfmkmjd.xn--p1ai/admin/ckfinder/userfiles/files/bunikumewodujademajubod.pdfIn PDF document text
- http://bienbao.net/uploads/files/kuxijafokuxaxolipisodolum.pdfIn PDF document text
- https://carlojans.com/cms/file/jasogilediniwipegudopi.pdfIn PDF document text
- http://atel-j.nl/uploads/files/71887452781.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6ffd6ea2d---69746782959.pdfIn PDF document text
- https://akvaguru.hu/user/file/54675953249.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/26107969427.pdfIn PDF document text
- http://woodlandhills.ilovepokebar.com/uploads/files/65817312161.pdfIn PDF document text
- http://esoftland.com/userfiles/file/joduxexalemavobovakut.pdfIn PDF document text
- https://ms2oke.com/contents/files/mofefomusujojasow.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/d3c5fe21d5de77285c1ce6dd85dbeb92/33377008844.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/c25f0622cad074d76eb1a90a4a427a66/pebofajud.pdfIn PDF document text
- http://acelybio.com/upload/files/linubuxitagefajok.pdfIn PDF document text
- https://camelcarpet.org/d/files/20513397384.pdfIn PDF document text
- http://radio-salsa.com/php/rs/filesupload/file/82877349278.pdfIn PDF document text
- http://nghieuphong.com/upload/files/45291342843.pdfIn PDF document text
- http://finpacecuador.com/userfiles/file/lawegasugal.pdfIn PDF document text
- https://absoluteanytime.com/media_file/files/files/94678175517.pdfIn PDF document text
- https://demetraproject.eu/ckfinder/userfiles/files/17679721398.pdfIn PDF document text
- http://chaitraglaze.com/uploads/84432930071.pdfIn PDF document text
- http://cleanking.net/userData/board/file/70986084961.pdfIn PDF document text
- http://odontoflash.eu/userfiles/files/76702153722.pdfIn PDF document text
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/68104977611.pdfIn PDF document text
- https://babetravelling.com/ckfinder/userfiles2/files/80746914323.pdfIn PDF document text
- 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_off0000bc6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC6E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d480.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD480 | 18112 bytes |
SHA-256: 4c3d5b60a8e9bde38d8e4dfae54e2f3648ae3d6d23cd7017d5544af507044420 |
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font_02_sfnt_off0001036f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1036F | 11284 bytes |
SHA-256: 1f58ac155d5f16ebe6474c56be385d4af47d0668d4ad542b60f1ed8b914285bc |
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