MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of multiple external URIs and the overall heuristic profile strongly indicate a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://zd-zeta.com/uploads/files/202108250809138396.pdf In PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/edf777f4929ff7bb649bd1c7f475a5a7/31735711727.pdfIn PDF document text
- http://precisao.net/files/files/dipovosojafediwu.pdfIn PDF document text
- http://candemdientu.com/Images_upload/files/ravibijotalefenosez.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/160983d5e32a12---92706273031.pdfIn PDF document text
- http://amoy-art.com/Upload/file/2113594307.pdfIn PDF document text
- https://styliststudios.com/imagesTE/file/82145190729.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081db4e94a31---bitikimanew.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160afcf88edc91---72860014711.pdfIn PDF document text
- http://drairtools.com/ckfinder/userfiles/files/46846656002.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160867db800d1f---31352198091.pdfIn PDF document text
- http://sanmorales.es/userfiles/files/migoxunumokekowut.pdfIn PDF document text
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b52160810---botawalepokenu.pdfIn PDF document text
- http://bendhorseride.com/userfiles/file/laxipalevozibanolebaxufo.pdfIn PDF document text
- https://transport-vehicules.fr/userfiles/file/43061989750.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/n2uu82l6n87la6u8hb5iep3p35/befokezezupirivadimomip.pdfIn PDF document text
- https://www.jnvhardoi.org/ckfinder/userfiles/files/84590227004.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/atqg15omn2u3psq8g452i8enr6/zawisezadenik.pdfIn PDF document text
- https://isitekmuhendislik.com/userfiles/file/73119304242.pdfIn PDF document text
- https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/c2g766aittde336j93h7eh90s1/dupedotobumaramavuw.pdfIn PDF document text
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/ebe6ba6641f8182b2830123457df4040/zutagaworijum.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607fea2f41512---61791371532.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076815757c6a---47349912847.pdfIn PDF document text
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d51b8e25c---22892799522.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=vectors+in+space+worksheet+with+answersPDF 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_off0000dc56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC56 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f468.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF468 | 20444 bytes |
SHA-256: e3a75ad7c9348848bf8d2ea91c825803e9084263b8e26d50897d37cf538d56bd |
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font_02_sfnt_off00012a31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A31 | 10572 bytes |
SHA-256: 9560a611a89c6140f9d9bdb2958f2ef7523b1a68a703d3fdd64410bdf9e888a6 |
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