MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the overall structure and URL distribution suggest a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://dodatnojamstvo.com/userfiles/file/fiwidofitaripufekarituru.pdf
- http://abimobiliare.pl/pliki/File/favopipijotazesadogizod.pdf
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/7b9mamu0lrnpt6um4p1cp5funh/xoxonefazodijeg.pdf
- https://onlinendttraining.net/files/55142305.pdf
- http://ahkkpcm.org/userfiles/vadof.pdf
- http://cohensevents.com/clients/74638/File/gamowunokojup.pdf
- https://nikosdimos.gr/userfiles/file/75658865775.pdf
- http://lorofilmes.com/Uploads/ckfinder/userfiles/files/ditixasudixizobefas.pdf
- https://kultmotor.hu/images/files/damasugudarifi.pdf
- https://africanresearchcenter.com/userfiles/file/kaxizezatetej.pdf
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/5t29mcvr35j0e8kd9idh73jod5/rajuzebini.pdf
- https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/6cf933e926431126cb034302690b49dc/28138967929.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/65b2d9f101edd3fddf2cc6c9f4dc51bf/73281060770.pdf
- http://ikhmongol.mn/ckfinder/userfiles/files/59819651413.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160776ebe78ecf---58172181713.pdf
- https://planet-for-events.de/userfiles/file/87025226757.pdf
- http://jyotiacademicpress.org/uploads/file/21293787382.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160a85f5fe2bdd---govidezu.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160853a8fa69cb---24378024893.pdf
- https://southwestlooms.com/admin/userfiles/files/ketajefa.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b16c850dca0---59690917956.pdf
- https://amitadevnani.com/userfiles/file/43924414328.pdf
- http://kovacsoltvaskerites.hu/images/file/xopuxiwoma.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=pdf+lecture+notes
- 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_off0000bd64.binaaaf8c857a9d5e2087b12cfe48f0317858b3e0ff2a103bca7c83ccb8646d11ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD64 | 16400 bytes |
font_01_sfnt_off0000e7ee.bin0ccbbae41592ef7f2a94da0538f66ab2610df5e90bf7c255f759f6f4ce714168 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7EE | 10316 bytes |
font_02_sfnt_off0000ff5b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF5B | 16792 bytes |
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