MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised WordPress sites and disposable hosting, suggesting it is part of a link farm designed to distribute malware or lead users to phishing sites. The document body, though heavily obfuscated, appears to be a lure for 'Kelvin momo sample packs download', a common tactic for disguising malicious downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 8
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://savitapiti.org/ckfinder/userfiles/files/3159018890.pdf
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160c3c1b64c87d---nuzonowekemoxel.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160700ea9c4ff1---89360273468.pdf
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/12ef67bf34148efb1a0f594476a04005/42029098268.pdf
- https://ventadeterrenosurbanos.com/userfiles/file/44177467911.pdf
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/be93190afb10ec63ec555761489f7f64/58955266560.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/lt0k70phg1lj3ah4ibhh69kkj7/24245769182.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bda04ec9f4b---6790022071.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/cdb594ca0c1045722313c01d43fb2f7b/63605945021.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/mqk3n8d9unp2i5ij7j19crvcv5/vidosabemuvawagiwa.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160920e6d14a04---gogabutubusiruwep.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/b3d3b51d2e46e8c3edc84df9be9a556e/burikun.pdf
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/ff705ac427df0d251617ea68d00e60b2/43348283148.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607666b436578---95720539854.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e61a0b5c2---28566123042.pdf
- https://consultingexpert.eu/fckeditor/userfiles/file/jenigatipezurarovekiwoxo.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4e3aaf9e4---bebogosidad.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=kelvin+momo+sample+packs+download
- 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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000106fe.bin21484750d636bea7849e4df67909ca117f573a9415d17198669c9daca1b12e75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106FE | 5016 bytes |
font_01_sfnt_off000117fe.bin5e13b42ccc269b47705b2aff85dfb47966fc910312156dc2c3374bfd5294ccbf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117FE | 10036 bytes |
font_02_sfnt_off000139b7.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139B7 | 4324 bytes |
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