MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The file was identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Multiple URLs point to compromised WordPress sites, suggesting an attempt to host malicious content or redirect users. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the link farm nature, likely for SEO manipulation or distributing malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a940064224---wumunotem.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/a9c315fa433a0a5be461434c2c93e416/44559249404.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160974dab59077---77173926299.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/4bslfh89r35r62geubc6fjhrt2/voned.pdf
- http://aliceinformaticasrl.com/user/pages/kulazedu.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb21b30b1c---94593858817.pdf
- http://cichanski.com/Upload/file/27469681486.pdf
- https://noihoithanhtuan.com/media/ftp/file/komomobadutivupogozesik.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/nndrq4n90od6aoeu0ph73ck40e/39846086316.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078534994a84---48425801509.pdf
- https://hyosungulf.com/uploads/file/fevimalezufizegej.pdf
- https://actor-conseil.com/files/file/sonilarafuzite.pdf
- http://anhuicrew.com/upload_fck/file/2021-4-30/20210430235604232708.pdf
- https://euroroma-bg.org/files/file/giridakurumudulanifupifus.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/c1542fe263b85f8db98d2f3da00312a5/naxarazolemurefitebek.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/086d1d6bb784df7b379d35098b38bf2e/56194758646.pdf
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073218adf5ce---8106440912.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f83645902f---99978644378.pdf
- http://bezagsecurity.cz/userfiles/37823924912.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160848eacde32c---30640165205.pdf
- http://zoltysnieg.pl/pliki_wyswig/files/12529162769.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/9bc33a15128449722b3f387f25a36255/powafigiguviziwure.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16098741e573a1---85417195750.pdf
- https://itchanoi.vn/uploads/news_file/49446413502.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=mean+words+that+start+with+r
- 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_off0000fda1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA1 | 16792 bytes |
font_01_sfnt_off000115b8.bin4f537f4f009ac83d36b001d3fd69ea743fef20001695d4a29c23eb66eed4eef4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115B8 | 10380 bytes |
font_02_sfnt_off00012d30.bine7af638c93bb820e9c0282222d347f98669ea4c26572090f7066ae491cec4e3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D30 | 17168 bytes |
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