MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many hosted on compromised or disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or distributing further malware. The presence of multiple PDF-specific heuristics related to URI and link farms reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 http://precisionsurgicalworks.com/alpha/ckfinder/userfiles/files/taridalubekero.pdf In PDF document text
- https://biocoop.legreniervert.fr/ckfinder/userfiles/files/nubafigiwuse.pdfIn PDF document text
- http://sieuthihatgiong.vn/webroot/img/files/67007760271.pdfIn PDF document text
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/a68fa9329d51f93df0294ad521722cad/78056841348.pdfIn PDF document text
- https://appvid.eus/userfiles/files/zeruro.pdfIn PDF document text
- http://studiomanzella.com/userfiles/files/66463868106.pdfIn PDF document text
- http://isotope3.pm-ural.com/uploads/files/83274495730.pdfIn PDF document text
- http://baove247.org/upload/files/zuliwerof.pdfIn PDF document text
- http://k3projekt.pl/uploads/userfiles/files/vubuwex.pdfIn PDF document text
- https://tidaksusah.com/contents/files/96537880360.pdfIn PDF document text
- http://boki.hu/editor_up/mobokokivupituleti.pdfIn PDF document text
- https://fceresources.com/ckfinder/userfiles/files/lifewofewefot.pdfIn PDF document text
- http://shesob.com/file/files/bituvekojojetepod.pdfIn PDF document text
- http://sahrugs.com/userfiles/file/zixorefibazit.pdfIn PDF document text
- https://eastmanllc.net/ckfinder/userfiles/files/tadepipi.pdfIn PDF document text
- http://oletrans.sk/editor_uploads/files/70560492369.pdfIn PDF document text
- http://www.astmalek.cz/obrazky/file/40379938547.pdfIn PDF document text
- http://pune-india.info/userfiles/file/66593667339.pdfIn PDF document text
- http://minipit.com/data/files/vorelafetulemanim.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/161352c9d8bdd0---falenibawifi.pdfIn PDF document text
- https://yenhuy.vn/upload/files/dimuni.pdfIn PDF document text
- http://globalcenterhotels.com/bot/ckfinder/uf/files/8204342548.pdfIn PDF document text
- http://finproekt-msk.ru/userfiles/file/danaveto.pdfIn PDF document text
- https://allcondosales.rodeodrivecondosale.com/userfiles/files/kiwunadimifeviba.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/f1a52b95a0c7a436362a21f564fe4f32/18693282867.pdfIn PDF document text
- https://sgcaregiver.org/contents/files/rurejemufimavemu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=p46+pro+smartphone+specsPDF 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_off0000e1fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1FE | 10748 bytes |
SHA-256: 6e7c6b024dfe8505b258bf793b7ccbd5403d170d4d092f78b45985b670521cdf |
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font_01_sfnt_off0000fa9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA9B | 18144 bytes |
SHA-256: fd5b8fd1d356b1db755638c7673b51569b11b74b6b338c1c0635c7026e288c70 |
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font_02_sfnt_off00012a30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A30 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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