MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised websites hosted on disposable domains. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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.hsbofmn.com/ckfinder/userfiles/files/levinakulozivad.pdf In PDF document text
- http://sous-mama.org/userfiles/file/kapigimeginobutemomowek.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161325655cbcf7---37275604288.pdfIn PDF document text
- http://getwealthythisyear.com/ckfinder/userfiles/files/zifipuvonuji.pdfIn PDF document text
- http://deleersnijder-bocaege.be/images/file/pesokunofa.pdfIn PDF document text
- http://galantemontagnana.it/ckfinder/userfiles/files/xukuzode.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/gapepamulotatemo.pdfIn PDF document text
- http://coimbra.hu/uploads/ckfinder/userfiles/files/79710872147.pdfIn PDF document text
- https://latgalesamatnieki.lv/files/file/79524752592.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/81934621397.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/8b63bf1e3d25015fa25cac35f1c34e64/3673097842.pdfIn PDF document text
- https://marosme.ro/hirek/file/42410311823.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210908_730604BF343BEDFC.pdfIn PDF document text
- https://lhorizon.ca/uploadHorizon/file/sirunojo.pdfIn PDF document text
- https://lhdgv.ca/lpch2010/userfiles/file/wetufibakidimuduvud.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149f3e850993---29389571238.pdfIn PDF document text
- http://thechelseaff.com/user_uploads/files/ginakaviwasexawusarov.pdfIn PDF document text
- http://keramann.ru/uploads/files/82406019907.pdfIn PDF document text
- http://parzenica-bialka.pl/userfiles/files/7869814756.pdfIn PDF document text
- https://clumba-indoor.ru/files/files/sopikexumimubi.pdfIn PDF document text
- http://pioneerbuzz.net/userimages/pozat.pdfIn PDF document text
- http://firstcuwire.com/file_media/file_image/file/xalafari.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/52617351061.pdfIn PDF document text
- https://braus.uz/images/shared/file/ratozuzabi.pdfIn PDF document text
- http://precedent.by/_newsite/images_from_html_editor/file/mixewuvamukemewubuja.pdfIn PDF document text
- http://www.sanjuktabanerjee.com/fckimages/file/30502903509.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=php+date+millisecondsPDF 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_off0000b9dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9DD | 18120 bytes |
SHA-256: 6b99439728a01061ec4df13b55047f3ff93e9eb3a41da2c74cd4d26addeefdca |
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font_01_sfnt_off0000e8c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8C6 | 10680 bytes |
SHA-256: af874aac1412dbab22b448284a5f20677182a9ac89521729cf27ead53aedb7cf |
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font_02_sfnt_off00010112.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10112 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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