MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external URIs and link farms pointing to compromised or disposable hosting, a common tactic for phishing and malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving a phishing lure or a download of a second-stage payload. No scripts were extracted, but the PDF structure and URL patterns are highly indicative of a phishing campaign.
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://philabc.ru/uplcv?utm_term=android+app+development+quotes PDF link annotation
- https://harteron.ee/userfiles/file/85297048611.pdfIn PDF document text
- http://archgeo-leszno.pl/uploads/userfiles/files/55260485656.pdfIn PDF document text
- https://krantiservice.com/ckfinder/userfiles/files/tiwumebonutufeluxovawe.pdfIn PDF document text
- http://rainhouse.kr/data/editor/file/1241042153612ff5e4e3b22.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140394c996b3---39556595058.pdfIn PDF document text
- http://jinshi66.com/uploadfiles/files/fuzoxasusekunev.pdfIn PDF document text
- https://zlato-eu.cz/upload/files/niwole.pdfIn PDF document text
- http://snieznik.pl/userfiles/file/ramasudapaxari.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/wumetib.pdfIn PDF document text
- https://okud-istra.hr/userfiles/file/40952934297.pdfIn PDF document text
- http://net-marketing.hu/images/files/16705530748.pdfIn PDF document text
- http://meijialx.com/ckfinder/userfiles/files/34003622666.pdfIn PDF document text
- http://pierrevillers.fr/mairie_files/file/tufamigopurerazovezutorof.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161407e22ebe69---92621532254.pdfIn PDF document text
- https://tvsporedi.si/vsebina/mujorukem.pdfIn PDF document text
- https://www.creativetalentnetwork.com/ckfinder/userfiles/files/84320170084.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/cj1f9r2hgujir8pagq3b4q8347/mipuwo.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/wozetuluvaki.pdfIn PDF document text
- http://www.injamal.es/nueva/ckfinder/userfiles/files/94889191641.pdfIn PDF document text
- http://vrieshorst.nl/images/uploads/file/pirevejixejubufusuzobi.pdfIn PDF document text
- https://www.q-jin.ne.jp/ckfinder/userfiles/files/gukiz.pdfIn PDF document text
- https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/didofewezagetowupezoz.pdfIn PDF document text
- http://inimtrento.it/userfiles/files/nenezidekuwavujijuf.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_off0000e452.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE452 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC69 | 10848 bytes |
SHA-256: 01589d33753557273ad31fe41d302fe98d3328ffc33f63fa18a61490b5da32aa |
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font_02_sfnt_off00011537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11537 | 18544 bytes |
SHA-256: e9356e996cfac7734281bf27fd9e38e3bded70a93fdc747e522dd1e321b7501b |
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