MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress installations or disposable hosting, indicative of a link farm designed to redirect users to malicious sites. ClamAV and ML classifiers confirm its malicious nature, specifically flagging it as a phishing trojan. The presence of multiple external URIs and link farm heuristics strongly suggests an attempt to lure users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://locktactyuma.com/ckfinder/userfiles/files/29764664468.pdf In PDF document text
- http://www.bufolari.com/public/immagini/file/1171373182.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e5a6ea634---73893839910.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/t9fe2r82o8adg9344nsmpq18o7/jugerojidavidedoditagoga.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a440f583b85---xesenuda.pdfIn PDF document text
- http://ehoron21.mn/uploads/files/92266914857.pdfIn PDF document text
- http://fashioneducation.ru/userfiles/file/wulafokilis.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b455c5e301e---86039592698.pdfIn PDF document text
- https://limsurdua.com/contents//files/rosozikuruka.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/30938409409.pdfIn PDF document text
- http://mlight.cz/archiv/file/41656292453.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/metaloba.pdfIn PDF document text
- http://re-view.online/fckFiles/file/legofubilorake.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ee5e1795634---66552834918.pdfIn PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/270e047267d4de61584496a0e2480a02/ziwufuki.pdfIn PDF document text
- http://cafemsoffice.com/userfiles/files/resoxitu.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/74231410489.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610f7b9429feb---niwesulewa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=calibration+sticker+formatPDF 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_off0001022d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1022D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011a3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A3F | 16932 bytes |
SHA-256: 1bcdda0186251993f616681a0e9235561114b2c7c2f0e4ca556aa5baec99d163 |
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font_02_sfnt_off0001464b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1464B | 10760 bytes |
SHA-256: ec639d38daee9a5dc0dc8f13b468b99ef7c5f30f4227fbbaf9317f315d4a8205 |
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