MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://jajugroup.com/ckfinder/userfiles/files/paladirekemonodudilovake.pdf
- http://www.jobsincrete.gr/images/_user_na/file/92088018278.pdf
- https://tessuno.com/upload/files/60e5701f4909b.pdf
- http://millionsdiscount.com/mo_images/files/85153028028.pdf
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/r7ik68nk2b1e66ns5ab1e3kv61/12283905493.pdf
- https://ingatlansos.hu/images/userfiles/file/3462084769.pdf
- http://fogathajtohirek.hu/fckfiles/file/25579812156.pdf
- https://telewebmarketing.com/FCKeditor/file/77526423607.pdf
- https://communeouchamps.fr/userfiles/file/pujopul.pdf
- http://xz-brand.com/ckfinder/userfiles/files/tarofimep.pdf
- http://files.ibiza-ferien.de/file/60048324285.pdf
- http://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/nulosovogati.pdf
- http://www.toptehnik.si/images/3868215912.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a030e03f62---97533747253.pdf
- https://wecareprogram.org/images/file/12061775964.pdf
- http://e-kva.ru/admin/ckfinder/userfiles/files/14724287546.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610f824b343f5---82400715786.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086aa5acb317---tusive.pdf
- http://xn----dtbsgbucafmmaf.xn--p1ai/servimages/editor/files/82222958966.pdf
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/knqooa0gd1fosgl4k3e07hj0av/25011779337.pdf
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/bf03e445537520f0910fcb8a17320ebd/rebasejotunawor.pdf
- https://mandarinkinesiska.com/userfiles/file/55308212133.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=manual+samsung+s8+pdf
- 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_off0000e66f.bined5a20e25198f66e9810d13f75cb9f00033b7a6173380a717f3fe33aebdfcf15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE66F | 10600 bytes |
font_01_sfnt_off0000fe5f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE5F | 16792 bytes |
font_02_sfnt_off00011671.bin5d1f8a032ff654ac09b93415f63bfcacba97740aae9dcd14416a858a812fe4a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11671 | 18740 bytes |
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