MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as a malicious PDF by ClamAV and an ML classifier. Heuristics indicate it functions as a link farm, pointing to multiple compromised CMS upload locations and disposable hosting. The embedded URLs, such as http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16098bf395b59b---86358660107.pdf, are likely used to host further malicious content or redirect users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/ea43289cffe146584e67b823feb33933/3949434211.pdf In PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c91e3aac98---52354715219.pdfIn PDF document text
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/81760699f08cbbf775d4a7bfce746abd/moninanexajeluvigobaf.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd521700e3---naluneg.pdfIn PDF document text
- http://humansharehouse.com/userData/board/file/gutesilopixabamo.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/157f9d9b25f9d1b5255698f833722308/32355592896.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/db38371761fe08b1c8156cf4c54471cc/85095676999.pdfIn PDF document text
- http://topup-fight.com/ckfinder/userfiles/files/12189812939.pdfIn PDF document text
- http://mdbim.pl/ubezpiecz/obrazy/file/wukebu.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160899691c21aa---25323014269.pdfIn PDF document text
- https://ovistar-dz.com/ckfinder/userfiles/files/39200236229.pdfIn PDF document text
- http://asokmontridental.com/userfiles/file/vovulajipezagave.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608633773070b---tazafavegejesikazot.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f204882435f---dawibuv.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b3e2e11c3---tagiku.pdfIn PDF document text
- http://diplomat2014.ru/ckfinder/userfiles/files/wixuriv.pdfIn PDF document text
- https://www.myosiaffiliate.com/199trust/img/file/nuburevonopifefix.pdfIn PDF document text
- http://itssilvertime.com/clients/2/24/24efe347a73a8ce028152bf895bc11a7/File/2254741119.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16098bf395b59b---86358660107.pdfIn PDF document text
- https://la-klamm.org/userfiles/file/lepapakivopaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+put+a+ge+washer+into+diagnostic+modePDF 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_off0000da9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B5 | 11092 bytes |
SHA-256: 65f770371fccc50bc4b19d6ef1dc5eb6ab65c4c6f6bd60db1f3fff3aef511b6e |
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font_02_sfnt_off00010c3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C3D | 16944 bytes |
SHA-256: 1aedf356c5ed65f2a94ebbe9f0138e1f49023de825ee896488e6506f382d4213 |
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