MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating it is likely a phishing or malware distribution lure. The presence of numerous embedded URLs, many pointing to compromised or disposable hosting, supports the attack pattern of a link farm designed to redirect users to malicious content. The ClamAV detection name 'Pdf.Phishing.Trojan' further reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.luthier-auxerre.fr/ckfinder/userfiles/files/bifetiviwiw.pdf In PDF document text
- https://proartgaleria.hu/files/files/28995825704.pdfIn PDF document text
- https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/29508778867.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/vigupubupoperaputimutekat.pdfIn PDF document text
- https://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/73018223675.pdfIn PDF document text
- http://vyveva.eu/UserFiles/File/56244160056.pdfIn PDF document text
- http://zatoodesign.com/userfiles/files/toledotiviredirisikanikit.pdfIn PDF document text
- http://sinice-rasy.cz/files/file/54070630959.pdfIn PDF document text
- http://fmi.lu/userfiles/files/rifaluguwijuwa.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359f2845c3f---jabebebizopubiwelekafo.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c02a347dcb---gafawomarafomevalos.pdfIn PDF document text
- http://chornakorn-packing.com/ckfinder/userfiles/files/batoniju.pdfIn PDF document text
- http://kossuthdigisuli.hu/userfiles/file/mozep.pdfIn PDF document text
- http://studiomalpocher.it/userfiles/files/1418564073.pdfIn PDF document text
- https://sergiomauri.com/images/file/zibijazo.pdfIn PDF document text
- http://lumieretvie.com/userfiles/file/95439046471.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/311c768a308d2b144dd4f1539a3ebc11/15071977569.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16136048d5c140---4022193751.pdfIn PDF document text
- http://ljjxmining.com/uploadfile/file///2021090809253972.pdfIn PDF document text
- https://www.sensiblemachines.com/ckfinder/core/connector/php/files/nuxan.pdfIn PDF document text
- http://cuacuonbinhduong.com/upload/files/xedulafatonidedadames.pdfIn PDF document text
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/pirafukimipu.pdfIn PDF document text
- https://jyapa.com/jhuoyue/uploadfiles/wekagekoseximunopes.pdfIn PDF document text
- http://ziconiavip.com/uploadfck/file/89382140802.pdfIn PDF document text
- https://ppkh.net/userfiles/file/68872607717.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=news+of+the+world+putlockerPDF 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_off0000e694.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE694 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000feab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEAB | 10612 bytes |
SHA-256: fca72aab6eaf5c2f22fa32291515ed998407389a83e4bd5e9f47de76e4e9f4bf |
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font_02_sfnt_off00011731.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11731 | 18888 bytes |
SHA-256: 5235ffff4c99789400f092ede8c1f97e92bcb3b33cfb6faa945c48a4d70f14ad |
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