MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories, indicating a link farm designed to host or distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/ed71ba228366f52a7c4737b8e2c3a9b0/83092259985.pdf
- http://dallaslandscapedesign.com/media/files/17542572618.pdf
- http://nextgenship.net/upload/file/20210529162227485018.pdf
- http://aliceinformaticasrl.com/user/pages/74641100473.pdf
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f25c2155a---60402236708.pdf
- http://mountcalvary76.com/clients/9/90/9062e1c9f2360b2cedac6e2854879500/File/72336265118.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090fc997618a---80463279811.pdf
- http://uceng.net/_UploadFile/Images/file/wakukopu.pdf
- http://bestbuyfromindia.com/userfiles/file/79793922494.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbc645007b---68445513826.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/0a7bd7e89cf675dd926b8789bbae221f/wenemikaze.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/e60721fa0f8771f1c4d715bb1252f09c/delowaguzadabitipikojelur.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7245699bc---fanaronapazefidilupoxog.pdf
- http://ontsgoi.shop/uploads/files/2649597639.pdf
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/mumkgeskl725ruaeqrpuq2o7h2/fotokisagovokad.pdf
- http://allprintusa.com/admin/images/file/80174273314.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/msb673bo6bj6ubveenhf4sf784/kewimasir.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecd6a5f5ad---68894404980.pdf
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/9cc5d3ee2f61dd51497692f464ba66a6/35542519413.pdf
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/3584acaaf4a689af3fd01dd424a277c1/pibumubanotulowosat.pdf
- http://ilovechardonnayhills.com/userimages/nenavodononubu.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160849ecf4e9d4---97435676424.pdf
- http://jncs.kr/page_data/file/20210515152157.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/caac9cef7ea29463bf6b95732f2fcf25/zixewigudof.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=driving+tips+for+manual+cars
- 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_off0000e165.bine2bb1b491b740cace6987f2516939984745e7ccf2b52ec385faf5ff54e21999b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE165 | 17500 bytes |
font_01_sfnt_off00010f21.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F21 | 16792 bytes |
font_02_sfnt_off00012738.binc3d0db30c4743d4c981831a2b5e52c3e06e539ff2fbcfc6862dc326a8d513090 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12738 | 10860 bytes |
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