MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is a link farm designed to redirect users to external sites, some of which are hosted on compromised CMS platforms. The presence of a 'download button' lure further supports a malicious intent. Although no scripts were explicitly extracted, the ML classifier and ClamAV detection strongly suggest this PDF is malicious, likely serving as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 7
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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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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://crysiq.ru/uplcv?utm_term=pokemon+crystal+advance+download PDF link annotation
- http://big-blue-bus.com/pics/fotos/1/file/nujetuxonedewomebiwij.pdfIn PDF document text
- http://budoprojekt.eu/obrazy/file/wamekarejalu.pdfIn PDF document text
- https://www.ksmt.edu.np/assets/ckfinder/userfiles/files/89031261987.pdfIn PDF document text
- https://psychologgia.pl/Upload/file/75047258737.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/b2hqmrrmh86h8rg7b94l87dli2/fedifelejanadun.pdfIn PDF document text
- https://vpmemorial.net/images/file/debogijegew.pdfIn PDF document text
- https://almentispharma.com/ckfinder/userfiles/files/vanikodu.pdfIn PDF document text
- http://mibenjamin.com/userfiles/file/9314632118.pdfIn PDF document text
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/39ef72b516a0472979ad7ac0544fdb35/10908321255.pdfIn PDF document text
- https://www.colline-eternelle.com/ckfinder/userfiles/files/bezexafipo.pdfIn PDF document text
- http://jts-electrical.co.uk/ckfinder/userfiles/files/katelas.pdfIn PDF document text
- http://ruihuitax.com/files/file/37279212744.pdfIn PDF document text
- http://geoass.eu/userfiles/files/92940952694.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/d070cd322ceaaa43e43472e679a005d8/87068544621.pdfIn PDF document text
- http://modulobase.com/userfiles/file/8335152384.pdfIn PDF document text
- http://deleeuwputten.nl/site/data/ws/files/salok.pdfIn PDF document text
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161335c7b66eae---21588889144.pdfIn PDF document text
- http://honghuibio.com/d/files/xakukedorus.pdfIn PDF document text
- http://smartickgroup.com/userfiles/kenidudopijox.pdfIn PDF document text
- http://motopujcovnateplice.cz/userfiles/file/72346556866.pdfIn PDF document text
- https://samsungdvmklima.com/upload/ckfinder/files/79702484296.pdfIn PDF document text
- 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_off0000b7bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7BB | 10800 bytes |
SHA-256: 655c5ced0fe72fc769ddf828bca018f4dcb3c14f4108837ad7cd8a4db0465227 |
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font_01_sfnt_off0000d0c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0C0 | 17352 bytes |
SHA-256: 459cac603fadfdf7d2f4b2c39c6763c5ef192238ef73a6c3935d3242eb970311 |
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font_02_sfnt_off0000fdee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDEE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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