MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to distribute malicious content or phish users. The presence of external URIs and a link farm indicates a likely attempt to redirect the user to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://hilltop1976.com/clients/24685/File/gezubebuvuji.pdf
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/ji950lj31qsbqkof2sa51hm71u/tatubagonas.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcbdff75226---domarepovabibatipibamed.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/16071ef6a5d6aa---mivokiwobonigudevixin.pdf
- http://dzbnf.com/upload/file///molevi.pdf
- http://csc0512.com/userfiles/file/20210607155022_m7vk9v.pdf
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a8dbdcae3---xokoroxutasejo.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099b18ee729e---feket.pdf
- https://pergamine.com/ckfinder/userfiles/files/23433112556.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c57ca027cff---69015932264.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1c03227fe---wureduparalixewejef.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/5e074c77a3f859a3db0e786c397751d6/lujabupaxovejukuvoka.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16095d4ffaa6bb---50678268625.pdf
- http://writtenmail.com/upload_images/file/zofovasizotukemiras.pdf
- https://asi-filter.pl/files/file/najaw.pdf
- http://robalton.es/Albums/images/file///10893385264.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095d2af610d9---4885524540.pdf
- http://temple.mo/userfiles/file/gedagokatadowilujejenut.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609de8d4aad78---90309252776.pdf
- http://lucann.com/Upload/file/13797206315.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4ee54ea68---47227802421.pdf
- http://anhuishangbiao.com/upload_fck/file/2021-5-12/20210512150959313819.pdf
- http://xn--or3bi2da319p.com/upload/fckeditor/file/pafazivatutenavitewaxapo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+end+conclusion+paragraph
- 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_off0000eaa6.bin9cd0f9e3646f717c9c8f8790689f4333c7623c338d1a6a1d5c3d12f837ca7fe2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA6 | 16904 bytes |
font_01_sfnt_off00011644.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11644 | 16792 bytes |
font_02_sfnt_off00012e5b.bin2be219cda2cd67865da6178f41f3f5f4355d8616bc0bed271df4d1d8ec7914ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E5B | 10968 bytes |
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