MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to domains associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The primary function appears to be directing users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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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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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://lifetides.ca/cambridge/uploads/files/gitifemag.pdf In PDF document text
- http://mujuerp.com/uploads/ckeditor/files/20210628021512.pdfIn PDF document text
- http://tostonet.cl/ckfinder/userfiles/files/golojurijebalebopafe.pdfIn PDF document text
- http://ckrestaurantgroup.com/ckfinder/userfiles/files/99781003832.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/1nit5rs9ea49uddoa8kf2asdrj/viloxeredugatomewaxa.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/272ca9ba6b5b7cb0a8fa379fcf88b5dd/75043897955.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a4add756041---98455782525.pdfIn PDF document text
- http://yoga-privates.com/yoga-privates/file/gebus.pdfIn PDF document text
- https://vinamex.info/uploads/news_file/1615041968.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/7da260342d2b6a53dabcf1c2f0d9d355/40831370553.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/eaif9pu4rphvt1h3vloaal0kck/9295308466.pdfIn PDF document text
- http://shuimotongyuan.com/userfiles/file/22949827795.pdfIn PDF document text
- http://allg-gyn.ch/userfiles/file/30055134481.pdfIn PDF document text
- http://an-ocn.ru/ckfinder/userfiles/files/95646336372.pdfIn PDF document text
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16084f4fbae7fc---19396896107.pdfIn PDF document text
- http://dungcubepgiangtrinh.com/webroot/img/files/zaweb.pdfIn PDF document text
- http://immopolignano.lu/images/gagiwogisinunigilap.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/8f15f2dba5eb53094388307ff081def8/dagujez.pdfIn PDF document text
- https://uzmanwebci.com/calisma2/files/uploads/vidibufobaxonogazava.pdfIn PDF document text
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/f0e91le56uptgu2ln55hc26d38/mixuri.pdfIn PDF document text
- http://buergerforum-tirol.at/file/19466969936.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/spgevcg3oidmdvoth9qi714g85/23688743494.pdfIn PDF document text
- http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sofotexamerin.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=piece+de+theatre+le+corbeau+et+le+renard+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_off0000ec68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC68 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001047f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1047F | 10792 bytes |
SHA-256: 85e6d68e1fac38b54b366892494bc8ecd4a4db128d3696e46aabb1969ca4b6b0 |
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font_02_sfnt_off00011cff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CFF | 21692 bytes |
SHA-256: 04854c52731804b66722c8243fdfaf504ba65f731b7b66a623bce755cce50116 |
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