MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI indicators and link farm heuristics strongly supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9802
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://crewmak.ru/uplcv?utm_term=the+rabbit+2 PDF link annotation
- http://seibyou-koujien.com/files/files/zuluranik.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb601387c5---67526404571.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16136d0494074c---tegijigerel.pdfIn PDF document text
- https://inprovitcentroamerica.com/ckfinder/userfiles/files/bonaruwowulelakojozodanel.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/555de28e1f9a3299eb5dabc9fa6d787a/nubez.pdfIn PDF document text
- https://excore.hu/ckfinder/userfiles/files/68604953753.pdfIn PDF document text
- http://teplospectr.ru/images/files/fivurijujuxagupadogufo.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/nhi9kbug8i1ib4ujru8tvv2uet/28760860215.pdfIn PDF document text
- http://zenithmetals.com/files/zutogerejozibapax.pdfIn PDF document text
- http://ivankotov.ru/img/lib/file/50383622662.pdfIn PDF document text
- https://lemonsport.sk/upload/file/ganesesufaxizosito.pdfIn PDF document text
- https://lrdreamteam.com/files/files/file/InfoProduct/file/29497550668.pdfIn PDF document text
- http://bagumul.com/file_upload/spaw_upload/file/20210912160225.pdfIn PDF document text
- http://janjoling.com/public/ckfinder/userfiles/files/rexuzug.pdfIn PDF document text
- http://tatugigo.com/ckfinder/userfiles/files/gifiluzetodosirenosiwigod.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/detoxarafafutu.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/todetutuxebix.pdfIn PDF document text
- https://s-oil.hoakhanh.vn/uploads/image/files/tuparofineta.pdfIn PDF document text
- http://cjmfgx.morefriendship.com/upload/files/18324466217.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/58200809247.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/xidugivoletibutipok.pdfIn PDF document text
- http://mudrkanuch.sk/editor_uploads/system/files/93911529385.pdfIn PDF document text
- http://titusauto.hu/kepek/file/tafogonomalanikum.pdfIn PDF document text
- https://metrosecuritynepal.com/assets/userfiles/files/11802610357.pdfIn PDF document text
- https://dreamscapes.ca/dream_scapes/userfiles/files/71359935111.pdfIn PDF document text
- http://hainescentreasia.com/images/file/fijusevawuk.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_off0000b454.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB454 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC6A | 9988 bytes |
SHA-256: c930668cb5eb5370454c8a0fedaccc713e34df916564c5975190dff3646beb4a |
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font_02_sfnt_off0000e2ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2BA | 16212 bytes |
SHA-256: 3df98e8880a5d02d9e3bdf1295dc30a076f326ceb27c552fb9ccb5909996decf |
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