MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm for phishing or malware distribution. The heuristic 'SE_ENABLE_LURE' indicates the document likely contains a prompt to enable macros or editing, a common tactic to bypass security measures and execute malicious content, potentially JavaScript, which is then used to download and execute further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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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://cructi.ru/uplcv?utm_term=attaching+pdf+to+excel
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160736fec0b198---keravizarofudek.pdf
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607459e82cac2---nepakofawo.pdf
- https://1877painters.com/FCKeditor/file/zefevofowebidigotogije.pdf
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/ul8dnrk9jc0v3o53ss116kfm80/gegipuvizoto.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/9a5a696fd184bcd933372baf74e21990/74102989343.pdf
- https://1877painters.com/FCKeditor/file/rolirazu.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2396d832f---tutogurotijipexovatedun.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160724c92909ad---38316021520.pdf
- https://baongochoa.com/upload/file/dulimegobuxesofu.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080416fd1495---nafaxituwunuzime.pdf
- http://fouladsazanco.com/Upload/file/34487829533.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ba3ba13e5---juxuromitadawuzidawisil.pdf
- https://anpheatingandac.com/nbloom/fckuploads/file/71249521871.pdf
- http://thehigh86.com/clients/13680/File/jonaf.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877f5934973---garamenusaxawegibug.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16086c8952905c---goxenegafalewavezenugili.pdf
- http://tcsm62.org/uploads/news/file/zizoganubide.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160827ffb31b12---buwutofowodopinon.pdf
- http://pozitron-s.ru/userfiles/file/16546920882.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607b97393bcb4---91140348869.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756624f03f2---58279454713.pdf
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/52cf0fa3903bbdc1353a453a4b79f782/vodiworuwabi.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160845ddf8712e---74632885306.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6f925394b---64308231605.pdf
- http://novichiha.ru/pic/file/88752215768.pdf
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a697f6e9a82---24197564401.pdf
- 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_off0000ebf9.bin31a285fdff027c27e102a8d932b2f0489882cd5b25b73d5091ba6d16878d52e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF9 | 17340 bytes |
font_01_sfnt_off00011970.binda88ab391b9c29c9adc07a860418a358e345830f40813098d611eca77b3c1bf5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11970 | 10712 bytes |
font_02_sfnt_off000131d9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131D9 | 16792 bytes |
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