MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many hosted on compromised CMS upload directories, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acf96c33f2c---88127679618.pdf In PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/b7191eae299ab59422220029fdbabc16/90708243423.pdfIn PDF document text
- http://nemdanangpho.com/uploads/2021-06-23/images/files/datupurulanupabixuf.pdfIn PDF document text
- https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a6292707e---11858796646.pdfIn PDF document text
- http://morard-mcf.fr/data/Files/zulejomiwidikabasemarit.pdfIn PDF document text
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/ddbdba255b749fc5599db95821c058d3/jazemupebezoz.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f47c5ec0af---bujesegoj.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a01e082a68e---95370448146.pdfIn PDF document text
- http://eperon-kochersberg.com/img_db/48982688980.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/titezixowubisedo.pdfIn PDF document text
- http://max-metal.pl/gfx/file/gedawerefonilifabepevatek.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160900e9c7ee72---93542101681.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/vakiwewu.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ccab4e8c9---59854763833.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/kc3djkgdu8irccar6qlh00j98q/72738136637.pdfIn PDF document text
- http://honghuibio.com/d/files/nikijupaf.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/jejusibekok.pdfIn PDF document text
- https://demo.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/xilimusenubajag.pdfIn PDF document text
- https://wangwangcamp.com/uploads/files/202109031610327995.pdfIn PDF document text
- http://zs-oilfieldequip.ru/d/files/bologelexasip.pdfIn PDF document text
- https://pointvirgule.ca/upload/editor/file/95066833666.pdfIn PDF document text
- http://laduses.nl/image/file/xelewo.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16123bde19dd7f---lebafinomokubib.pdfIn PDF document text
- http://pecsimutargygaleria.hu/files/file/65398983155.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=peacemaker+definition+pdfPDF 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_off0000cbba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBBA | 19716 bytes |
SHA-256: af5b016b3ddcf16f2da967a73349c881dd1175c59f5668b4420a0ec4050cd053 |
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font_01_sfnt_off0000ff83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF83 | 10660 bytes |
SHA-256: 91ea778dc87e350505822929c445db84f53850939493b419f44e2c3210b68ced |
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font_02_sfnt_off000117e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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