MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to multiple URLs hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, with the primary goal being to lure users to external, potentially harmful, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb7eb85ee2---84851584204.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16092863dcd44d---dabosereketanub.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/68ddeae50b63fccb6fd066acdb559cb2/9789167007.pdf
- http://alpha-th.com/userfiles/file/59563769932.pdf
- https://patc.fr/imagesfile/7991331590.pdf
- http://sosnovgeo.ru/userfiles/file/74135728862.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bafcc8216a3---24861589806.pdf
- https://fzclicks.com/demo/files/editor/file/walosirox.pdf
- http://movitecnic.com/ressource/site-image/files/kiruxozareloperofa.pdf
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609635b7c57e0---vibam.pdf
- http://webbuilders.com/files/file/vilepeluvowaweniwuxududu.pdf
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/26a69d70a719533793474154d8f71cef/94646800122.pdf
- http://arebiatours.com/uploads/files/favevedezukowofe.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a4b81674174---mikixaravapam.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/54dc539d2f4312dcced3e7e6a18107b8/kibojefigibuditenojaxox.pdf
- https://p87.hu/files/60260537619.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160722fccd463d---84832636976.pdf
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/7f4cbd0bfdc047928bd48be678f4c27a/79833720788.pdf
- https://angkoronetour.com/userfiles/file/situbiresasarowovigexe.pdf
- http://griswoldremgmt.com/uploads/files/gutilirewunifudajazajamok.pdf
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160718ca6eee9d---78193334483.pdf
- https://oklogistic.lv/upload/file/sonuzerirojuj.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=age+and+weight+chart
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e835.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE835 | 16792 bytes |
font_01_sfnt_off00010047.bin39b2c6dfd0b86ec3371eb04dd380ca3bad68aeb50b89b18e634a86d896b56153 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10047 | 16712 bytes |
font_02_sfnt_off00012bb1.bin865474e2d358f63c3aa80c58fa54df35cf4f11f551045eee1409e4f1b9234421 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BB1 | 10384 bytes |
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