MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by a machine learning classifier and ClamAV, with the latter specifically flagging it as Pdf.Phishing.Trojan. Heuristic analysis indicates the PDF functions as a link farm, containing numerous URLs pointing to potentially compromised WordPress upload directories and disposable hosting. These links likely serve to redirect users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
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://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/d76fda923ad58582a3f5bbb9bd59588a/88125077805.pdf In PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070fd3c5d4fc---wukijuw.pdfIn PDF document text
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/i7rm1cvugcllket33m6g3h0nu4/pofexikedomu.pdfIn PDF document text
- http://capital96.com/userfiles/file/11650231396.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e539cdeb40---mipokamurikepukatigilub.pdfIn PDF document text
- http://xpressup.com/userfiles/file/sivinafo.pdfIn PDF document text
- http://aklond.com/UploadFilesfile///2021070604051968.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/89333355628.pdfIn PDF document text
- http://billsky.ee/files/file/92414462907.pdfIn PDF document text
- https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/26l6dkm5pi0v6pov6vhq49k4a3/90940285882.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b2850c9e760---43345136146.pdfIn PDF document text
- http://hamdard.com/hamdard/app/webroot/img/ckfinder/userfiles/files/71990569871.pdfIn PDF document text
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/xuwejuda.pdfIn PDF document text
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/f1e5d8ae34efd0eca51f8370fdd4e3f5/werekibo.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1cf4de725---duvafijisikare.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/0cf40bf8328a1c7effb2e1eb850e93be/xofuxawolezila.pdfIn PDF document text
- http://lacyfamilyunity.com/clients/2/20/203fd950dafdada58ea32e7b96f0d147/File/18140812402.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/11460263807.pdfIn PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16085a64c3dd12---xenosu.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/dizogupa.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/jewusat.pdfIn PDF document text
- http://plnjl.com/userfiles/files/wedonazonametevodapepu.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/ad12c1e677e58bc34ba872aecae4085c/wulilife.pdfIn PDF document text
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/16084fd8b1a468---5457481834.pdfIn PDF document text
- http://tvcsoltau.de/userfiles/file/85649733158.pdfIn PDF document text
- http://srhs1980.com/clients/877094/File/bukitagasirifugagogufumo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=wine+bottle+hang+tag+templatePDF 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_off00010553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10553 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011d65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D65 | 18412 bytes |
SHA-256: aab5e69cb08d42387804f25effa216fdf131cf0538eb1c7c3b61c619052994f9 |
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font_02_sfnt_off00014d23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D23 | 10564 bytes |
SHA-256: 5185e5c4c36a3aceff737766216f49d0cc3deeb9c64cb59d44d7a74e238fadfc |
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