MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users. The PDF also functions as a link farm, pointing to numerous URLs hosted on various domains, some of which appear to be compromised WordPress sites. These links likely serve as a lure to download further malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://mariamozharova.ru/uploads/files/xexano.pdf
- http://fine-trading-knotwork.com/uploads/media/32619384465.pdf
- https://chameleoncoupons.com/adgprocessing/uploads/files/46555977391.pdf
- https://total-sport.pl/img/upload/files/8179010268.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/iho6rhk6c3o7tngqjjh4htcbjn/tovenomekiwigidowek.pdf
- http://hondasushi.com/uploads/files/zodali.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1615357904c8cd---18125486976.pdf
- https://danfort.lv/userfiles/file/keleluxalasu.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/161437a69bf595---rarisawotunebib.pdf
- https://psystat.net/candyticket/uploads/page_images/files/50585559386.pdf
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/d399f3896c2bdacf89342aaf46882e5b/repezeg.pdf
- https://karapinler.com/calisma2/files/uploads/zimuzokitalebezu.pdf
- https://0286869143.com/editor_images/files/91693493641.pdf
- https://fenicia.uy/fenicia.com.uy/uploads/files/82515323624.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/e48553d6ff9435bad2832fff645fe29a/89491099092.pdf
- http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gipid.pdf
- http://denge.aero/upload/files/83119406315.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/0ea0e2ad71bb5009e47f109df1ceccd5/28778647639.pdf
- http://acril.ru/ufiles/files/60073849178.pdf
- http://labellebeaute.com.hk/ckfinder/userfiles/files/28745988218.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1613f361d3a346---23049663725.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/875a08a28283c3327d4a66a448754ec8/xisirisosepemul.pdf
- https://sintasyapi.com/img/userfiles/file/939968086.pdf
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16153af985c9b5---dopezawakukasuduk.pdf
- http://anchor-m.com/js/upload/files/povapuvegudavumujite.pdf
- http://i-akparat.kz/ckfinder/userfiles/files/nexodasipaj.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=tekken+3+mob
- 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_off0000b267.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB267 | 16792 bytes |
font_01_sfnt_off0000ca7d.bin3ca144191efd0dda158be480b0c9e72b02aa3fe0235ae553c91f173511c4cb07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA7D | 9972 bytes |
font_02_sfnt_off0000e096.bina9e64319d8bf1e4bcb3de6442bf296e0db7ecd3c78b48a55003e1324db044def |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE096 | 14924 bytes |
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