MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. The presence of numerous embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://archism.ru/uplcv?utm_term=lost+phone+android PDF link annotation
- http://tucholainfo.pl/userfiles/file/2734785174.pdfIn PDF document text
- https://semot.com/Store/userfiles/file/nisovit.pdfIn PDF document text
- http://benrassam.com/uploads/files/retovarawizapeveg.pdfIn PDF document text
- http://www.ddu-hk.cz/ckfinder/userfiles/files/powoxok.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/mb5br1vhbbbh01phc3kil38k8t/91947186613.pdfIn PDF document text
- http://elitacasa.it/images/file/sufudipeginatikite.pdfIn PDF document text
- http://imhome-listings.com/userfiles/files/51441386755.pdfIn PDF document text
- http://cc-loges.com/uploads/file/mejufabarifiwizavob.pdfIn PDF document text
- http://wsm.hk/images/files/51149698370.pdfIn PDF document text
- http://aardbeienfeesten.nl/uploadimages/files/tejeroforatugux.pdfIn PDF document text
- http://bukvoznaika.ru/ckfinder/userfiles/files/93783017503.pdfIn PDF document text
- https://atvatextile.com/upload/ckfinder/files/71474744407.pdfIn PDF document text
- https://www.idd.no/ckfinder/userfiles/files/78184549371.pdfIn PDF document text
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130ed4469048---rafiwin.pdfIn PDF document text
- http://xnucleus.com/members/member_images/files/9385274757.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/16133304db3741---dugufazofalalevu.pdfIn PDF document text
- https://gikguamerica.com/userfiles/file/topuwoworimisegapagexuwut.pdfIn PDF document text
- https://podgoricki-klub.me/userfiles/file/2322867588.pdfIn PDF document text
- https://atlas-consulting.ro/fckeditor/fisiere/file/norog.pdfIn PDF document text
- https://peptidturkiye.com/ckfinder/userfiles/files/20685742811.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16138fed366fe9---16329403321.pdfIn PDF document text
- https://seedcambodia.org/htdocs/cljr/data/files/24072244017.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/f2942010f24a976c73df1e62275afebf/vadelefixipo.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_off0000e535.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE535 | 17620 bytes |
SHA-256: c61a7602db634397e74a37228138168312c892ad336d05662b763dd6e9da7f9f |
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font_01_sfnt_off0001134a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1134A | 10400 bytes |
SHA-256: 728155a05f2c26c013c81eeb16234c703ef54870057de3d58c25fa90aad185a2 |
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font_02_sfnt_off00012ac3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AC3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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