MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm designed to distribute malware. The presence of these links suggests the primary purpose is to redirect the user to a malicious site to download a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 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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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://www.yoko-ono.be/images/userfiles/file/mijadopez.pdf In PDF document text
- http://win-sonic.com/kida2018/ck_imgs/files/52221604027.pdfIn PDF document text
- https://anmoul.com/userfiles/file/mimaviparo.pdfIn PDF document text
- http://megaprestige.ru/uploads/files/jepexuwojubatekegusoxe.pdfIn PDF document text
- http://fra2ange.it/userfiles/files/82577379795.pdfIn PDF document text
- https://serpavenger.com/ckfinder/userfiles/files/bufitadavinuwinufaref.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e964b7cfd---39587403182.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/78098464938.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160acc81e2c137---56927876729.pdfIn PDF document text
- http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/dixaz.pdfIn PDF document text
- https://c-effeimmobiliare.it/file/66205952751.pdfIn PDF document text
- https://www.benkorner.nl/admin/library/ckfinder/userfiles/files/95289687975.pdfIn PDF document text
- http://grgct.com/ckfinder/userfiles/files/64147493787.pdfIn PDF document text
- https://giorgiosantinelli.it/file/xufatezozozakizabuwevom.pdfIn PDF document text
- http://pandoreunion.com/clients/81456/File/vasumi.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2c016b857---gowiwufepexivenakoka.pdfIn PDF document text
- http://geotersrl.it/file/59914099951.pdfIn PDF document text
- http://mousike.it/img_ins/files/sixelofusepixerolerukuda.pdfIn PDF document text
- http://abwmountvernon.com/uploads/files/55954317924.pdfIn PDF document text
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/b8f9f75beb40b830621a19dc335f0600/wobopuvorewososovuvavu.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/60466044924.pdfIn PDF document text
- http://www.firengo.com/userfiles/files/punifiderabewawefa.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d79ce5af4---90822262371.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/mi001q1cn84crl23v5h056aipe/zunisifuvav.pdfIn PDF document text
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/64429595792.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=business+research+methods+pdf+free+download+for+mbaPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010d78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001258a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1258A | 21496 bytes |
SHA-256: 2e75bbba9664f9575f3fd7eba2a930d56bbdcee784e13b0c458405d10ad6b663 |
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font_02_sfnt_off00015ddb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15DDB | 11264 bytes |
SHA-256: 77e4c734b43c664dcfeb84bab64b29d0ff59de0818b2b6c6b7fe3e0926b28575 |
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