MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple websites, many of which are hosted on disposable domains or compromised CMS uploads, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is unreadable, but the heuristics and URLs clearly indicate a malicious link farm strategy.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://indexone.ru/upload/file/vazefozodovujadozuvitan.pdf
- http://alfonsoguiggiarchitetto.it/userfiles/files/7442646487.pdf
- http://philipp-haberland.de/images/upload/file/dufujefuwobigoxiri.pdf
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/nilamejifo.pdf
- http://inciboya.com/resimler/site/files/rilorim.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/16133f1e1b7bfb---89738770496.pdf
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/3m9qc97fgkknaaa5d8ftghi311/powedor.pdf
- http://smalternatywa.pl/media/upload/files/e7c07826af46511bc863f80d387098ad.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c76257fc2e---44292298223.pdf
- https://ventsistem-bg.com/userfiles/file/40059140425.pdf
- http://prosquash.by/data/duwuzimomojuzim.pdf
- http://canavesiobruno-architetti.it/userfiles/files/40826850378.pdf
- http://asiadomainstore.com/userfiles/file/78593468549.pdf
- https://serihosting.com/calisma2/files/uploads/58909841129.pdf
- https://krassimirtaskov.com/userfiles/files/polelepomexagobuk.pdf
- http://www.firengo.com/userfiles/files/gopuf.pdf
- http://liqaa-lb.com/files/userfiles/files/kujibanobu.pdf
- http://ckm-machinery.com/userfiles/files/42960654225.pdf
- http://studiozoppini.com/userfiles/files/duvinenutinaxowof.pdf
- https://petikdaun.com/contents/files/dovub.pdf
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/vutuwivafevoseforizam.pdf
- https://falconshipping-uae.com/userfiles/files/78428103330.pdf
- http://33podarka.ru/pictures/files/fajavonododozafuroxigon.pdf
- http://datong-travel.tw/upload/ckeditor/files/20210910050730.pdf
- http://bagodilovaspark.hu/userfiles/file/74161358595.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=courageous+full+movie+online
- 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_off0000b608.bineed19b6c5a8ba7b8ba036f707c5e3002090f433101c7676649310c98c2454c93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB608 | 14732 bytes |
font_01_sfnt_off0000dac7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAC7 | 16792 bytes |
font_02_sfnt_off0000f2de.binc8400c25b41372630b1f6b20828d59259ea0e972778a0e5b82946f0e9d775a54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2DE | 10656 bytes |
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