MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many pointing to compromised CMS upload directories and disposable hosting. This behavior is characteristic of a link farm designed to distribute malicious content or phish for credentials. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9921
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://grandinhr.eu/images/user/file/tajokagusosu.pdf In PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/a7eb369a94713d27e28e82638a2922ce/gelaradokupipabitidub.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/oalgrlh9c0o1pqep00l825d7po/59577314037.pdfIn PDF document text
- http://beta-rc.com/upload/files/83378370550.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16094b14d2a711---zolas.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/9ac0abc3a4664e52fc7e1b01e958a64f/juriwati.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/8114f61a1329f13d7013928fa2f30b54/51900471613.pdfIn PDF document text
- https://ises.ca/phpsites/vertical_living/uploads/file/pijejixu.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/upa9cdqoljeersgtvjr2j7vl60/gegosizulogavu.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffae16a951---rapililukumubusadases.pdfIn PDF document text
- http://chineseclothingonline.net/File/lozirekewelabisedasanuwu.pdfIn PDF document text
- http://elite-nails.pl/Upload/file/34133775625.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/4d793647b1cb2c1e7c1232f5f8611517/47702836247.pdfIn PDF document text
- http://aimic.com/userfiles/file/gomavufuxim.pdfIn PDF document text
- http://www.cbs-emballages.com/upload/file/33198713650.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/duvib.pdfIn PDF document text
- https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/7551a7b937b47131abe7d6f2cfc561ec/musijafosiko.pdfIn PDF document text
- http://cuanhomkinhtoanthang.com/media/file/48114832375.pdfIn PDF document text
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608681cdd87de---44274124977.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071a7c2bfaea---bidalimijokepirelerupaf.pdfIn PDF document text
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/5bf77cb14b0ceb73602cdeb85b50bd20/98156982948.pdfIn PDF document text
- https://eqonetech.com/upload/userfiles/files/zakimefumiparegubixaj.pdfIn PDF document text
- https://mariellatriolo.it/public/file/xivumafadovamomawibedos.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/5e1498d86cc186ab348c4119f2bb676c/vajelulebilepot.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087c3e9232e8---50632639562.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=collocation+for+opportunityPDF 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_off0001834e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1834E | 18592 bytes |
SHA-256: 36420f3dd44b4f260473e7c5396c914386f59f8b99e422c776a0ce100f091886 |
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font_01_sfnt_off0001b4e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B4E5 | 10416 bytes |
SHA-256: 0e1d5037a76fa304df2bdb664f87f679df67046c72ae656a94cc98e0efab138e |
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font_02_sfnt_off0001cca3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CCA3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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