MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to compromised or disposable hosting, a common tactic for phishing or distributing malware. The ClamAV detection and ML classifier strongly indicate malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically identifies the pattern of using non-clustered links on disposable hosting, further supporting the malicious nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://liweisteel.co.th/ckfinder/userfiles/files/tidolitipawutesofabo.pdf In PDF document text
- http://kwong-cheong.com/userfiles/sunavuxupejibix.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161478c1e15676---kukefukepiwuti.pdfIn PDF document text
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/qgk47t8inp66h8sjc8egp65clb/91533363495.pdfIn PDF document text
- http://domgr11.ru/uploads/files/53520544373.pdfIn PDF document text
- http://wuxihemei.com/ckfinder/userfiles/files/20210914_052335.pdfIn PDF document text
- http://slstudio.it/userfiles/files/18690770693.pdfIn PDF document text
- https://vatlieutaphu.com/upload/files/kutaxabusafimizupidi.pdfIn PDF document text
- https://easternresources.net/ckfinder/userfiles/files/46748534191.pdfIn PDF document text
- https://floridainvestment.cz/files/file/domaterinazalipafamikelog.pdfIn PDF document text
- http://hanlacsclub.com/ckupload/files/bevezeridage.pdfIn PDF document text
- http://skazka76.ru/pic/userfile/boxifaxexokiz.pdfIn PDF document text
- http://webinaris.org/ckfinder/userfiles/publics/files/2452289329.pdfIn PDF document text
- http://metalltechnik-kutschi.at/feradakaxumina.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16148536ab4757---vokumakolaxukedasunarez.pdfIn PDF document text
- http://belovosushi.ru/files/94813635156.pdfIn PDF document text
- https://fitness-sport.it/userfiles/file/68866487522.pdfIn PDF document text
- http://hoigolfbinhthuan.com/users/files/66690892721.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/jknv2n2gug8o9mnjvi1esjdpu3/sonuvub.pdfIn PDF document text
- http://hanasushipickup.com/uploads/files/3790324381.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/655a5c76114714db8535379a81cf572f/dobewijixutijunu.pdfIn PDF document text
- http://keitbg.com/images/files/35938282873.pdfIn PDF document text
- http://artdental.hu/editor_up/wefetusaxokixetawa.pdfIn PDF document text
- https://o-dance.com/upload/files/logevo.pdfIn PDF document text
- https://horgaszvelem.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/vopikedajuvul.pdfIn PDF document text
- https://widepolymers.com/userfiles/file/xezavukebip.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=windows+xp+on+android+limboPDF 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_off0000bb90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB90 | 10644 bytes |
SHA-256: fb4d564a9ca0792896cdf9f64dc874b0c2ada444442cf5c19237d7bb441b8c13 |
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font_01_sfnt_off0000d3ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3AB | 16968 bytes |
SHA-256: 1a8f12c40c40513c48aa91f67de2609b475924ee1b906cbbf4ce7d9a9c11d10e |
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font_02_sfnt_off0000ff96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF96 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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