MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, providing no direct user-facing content but reinforcing the malicious nature indicated by the heuristics and URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://ithaca1960.com/clients/8/87/874e400c25abfb160fd1c0cf9913fcd0/File/kabilobavigaw.pdf In PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/df8um0qnrrdt312qokt1njvb2m/32309381313.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4404e214da---korusezobokajarugofe.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/sagifulimukuwimeja.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/3cfd3bb3bff37fca5ac913587ec570f7/22214425451.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609277aabe22e---viwutenuru.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/6ab74881036bf85a1b2781aab218bf7e/fevib.pdfIn PDF document text
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/1cee0c3d2e0f496456e81c87a48d27dd/27063949048.pdfIn PDF document text
- http://valaptop.com/ImagesVA/file/rowarefemadolod.pdfIn PDF document text
- https://viessmannboilers.ca/fck_upload/file/64516505215.pdfIn PDF document text
- http://ddgasul.com/userfiles/file/ruxufafedetukitumumegorag.pdfIn PDF document text
- https://arch.ua/ckfinder/userfiles/files/gurusatojavejadabobotuf.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c215be220---kokozit.pdfIn PDF document text
- http://teamwork-poetschke.com/ckfinder/userfiles/files/24688647397.pdfIn PDF document text
- http://neurooperations.com/ckfinder/userfiles/files/18693258674.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/93af9c74e1214ca87d4405011d332ab0/97193106624.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/705c9d7799d154c086d0aaf9e55ab44d/86390750510.pdfIn PDF document text
- http://kagoshimakojintaxi.com/userfiles/file/keririnikazonoxogaxu.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/70acfefgjcrh36itoof65vgiam/97645496601.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e2ca094c1---7238151848.pdfIn PDF document text
- https://www.westcountrystoves.co.uk/wp-content/plugins/super-forms/uploads/php/files/64810a8962fef5694b58e9df9817b3aa/genaxegesibapasar.pdfIn PDF document text
- https://pottoka.info/files/galeria/files/wezesod.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/d841b47de8caf11db0185b75eb9caa1e/kuwojozabivekatez.pdfIn PDF document text
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6037df04e1---7556097248.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=spider+solitaire+game+onlinePDF 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_off0000fa94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA94 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000112ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112AB | 10812 bytes |
SHA-256: c20932ce94d97acd7e332ab3b3a499ad1726107991c3e1965be3e84a1292eea8 |
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font_02_sfnt_off00012b4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B4C | 17508 bytes |
SHA-256: f7b6166c15ad31d2e019676978116f5571ec7e9bb55e2dfb771439242e577717 |
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