MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF document exhibits characteristics of an advance-fee scam, presenting a lure related to lottery winnings or parcel delivery to trick users into downloading a malicious file. The presence of numerous external URIs, many pointing to compromised WordPress installations, suggests a distribution mechanism designed to host and serve malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://catamma.ru/uplcv?utm_term=current+affairs+2020+mcq+with+answers
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b745b11de0f---74552202842.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/fa5bddfcd161b0b85408ce23cd70b8d7/86727516267.pdf
- https://sp-pir.ru/wp-content/plugins/super-forms/uploads/php/files/6b98b62ca0902dcc24ad2d1f420d492a/85817869292.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/hudsfjbgip8kht7auv5q2vbvlr/nosobat.pdf
- https://myveolife.com/wp-content/plugins/super-forms/uploads/php/files/5d3fb757d9ce114149a90817c6b533b5/sirazubizugarojifar.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aece72caa9---zivulopizifelagotanex.pdf
- http://aarogyamedico.com/userfiles/file/74345790357.pdf
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1dfe25536---movolasavevajofora.pdf
- http://eortak.com/img/fck_temp/file/99403991097.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a8ff6bd6e---37766295952.pdf
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f61dc05b7---69174590370.pdf
- http://tachikawa-derma.biz/ckfinder/userfiles/files/73868098023.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/af6497f2db2dee545cba8edd932e11c5/65122913984.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/d01fa55fd52cb5f430802af546a28e1a/nipujimeripukojodumu.pdf
- http://bean2beenefamilytree.com/clients/60578/File/taxalagakigopibomenaxoxu.pdf
- http://myjobcareer.net/userfiles/file/2021052810062473499.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/96a54931c01949cdfcdb36b63cce0587/gofezosupixugolugo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012d92.bin5d596b8b773c5b49553fc9941f791c8b2c3200b1a4afb7e9b3c872cf1e67ef7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D92 | 5488 bytes |
font_01_sfnt_off00014024.bin680d7c5b7b490f05257c403eb659db05f4b41d565da6ed463e36e2c0f1e6289b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14024 | 11252 bytes |
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