MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains a large number of embedded URLs, many of which are hosted on compromised or disposable domains, suggesting a phishing or link farm attack pattern. The PDF structure and embedded links are consistent with attempts to redirect users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://catamma.ru/uplcv?utm_term=download+helvetica+font+apk PDF link annotation
- https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/15686956331.pdfIn PDF document text
- http://aqcorth.specialty-match.com/upload/files/91579297591.pdfIn PDF document text
- http://studiosiciliani.eu/userfiles/files/51775112491.pdfIn PDF document text
- http://eamenfaraz.com/cache/fck_files/file/31124805006.pdfIn PDF document text
- http://nkmate.com/FileData/ckfinder/files/20210912_DA3B634127D26844.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/96787647561.pdfIn PDF document text
- https://limpiezasinasel.com/userfiles/files/77746444606.pdfIn PDF document text
- http://showplus.ae/userfiles/files/dotirakaki.pdfIn PDF document text
- https://advik.net/userfiles/file/36834083750.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/ganasupadojuziwi.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f95aa62dc---kogar.pdfIn PDF document text
- https://leciv.fr/uploads/FCK_files/file/junafunanirubunowonok.pdfIn PDF document text
- http://thaifilmind.com/UserFiles/file/nuzojajezepotuduvelor.pdfIn PDF document text
- https://rdw-wolf.de/backend/ckfinder/userfiles/files/rorozigurutasuvemewag.pdfIn PDF document text
- http://carszana.com/image/upload/File/42445821959.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3757b371f---zibabenowadaxid.pdfIn PDF document text
- https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/ledokaburep.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/86545156092.pdfIn PDF document text
- https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/34141161283.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/fazinop.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/dd97f3c081487947085e198408a4d705/64040892137.pdfIn PDF document text
- http://windmill-bv.com/userfiles/files/98886823264.pdfIn PDF document text
- http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/59172012162.pdfIn PDF document text
- 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_off0000aec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEC3 | 10696 bytes |
SHA-256: 9da24803ac82ff0e609bb89f49d58c15c1cc4a91489f2aa802048fe9e86b1f94 |
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font_01_sfnt_off0000c73f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC73F | 15632 bytes |
SHA-256: cb667802dc8a4c36d105077e0632fbfc60c41bbb21b63e05c48192d9001e290d |
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font_02_sfnt_off0000eef5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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