MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution attempt. While no scripts were extracted, the presence of numerous external links indicates a likely attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9934
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://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/f4e104a2b40224f5ef11f32025d58bc0/nitajidibel.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/24026cf76f73ef024e1c8731999928ab/90324039334.pdf
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/34082e2799dd82996f7c266a670ba073/41748755694.pdf
- http://dreamcatcherltd.com/userfiles/file/popebawujowasixosoreluni.pdf
- http://bitite.lv/media/txt/122/file/dusalodur.pdf
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/21422632612.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab8f70ae13---98051613019.pdf
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160777a289ed09---balare.pdf
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/597c2f5271d1cf28148e02ab27d6f572/wanepipebikajuk.pdf
- http://zrdb-drogbud.pl/Upload/file/fopawapujuxib.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c87cec60cb8---mikaxevebulagazumozel.pdf
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ccb3654cce---29818786086.pdf
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/0f23b323fe051d29a3d4f97a34531fa0/76499430119.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/u7s1q94hfdolgd8eqdof5u8ql4/48539848665.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/36f4109359df894f21ed34bcc8cafad6/67653763467.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/b076ad291b82233de95bf18e403d79d8/tizemamugiv.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607592709679e---9664182269.pdf
- http://beastyenergy.com/userfiles/file/57060396320.pdf
- http://www.asslar.de/downloads/tadum.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c0ba0d0755d---23793703522.pdf
- http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e9cbd9c78---44894084545.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=intermolecular+and+surface+forces+solution+manual
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000124d6.bin385633695669c7dcafe5e5a687514588133a36ab737997f4f61055e78d8bea8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124D6 | 18652 bytes |
font_01_sfnt_off0001435a.bina7f0a6231f52eff09ec94c7f87daedefc8c1bb4b083ff5c20645288b914c7d6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1435A | 18616 bytes |
font_02_sfnt_off00017333.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17333 | 16792 bytes |
font_03_sfnt_off00018b4a.binf6385325df514c2f55a0cbf67ccec52ef35b213f0fd0d9464f0c8eaec5c2d137 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18B4A | 10688 bytes |
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