MALICIOUS
156
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 functions as a link farm, directing users to download APKs via URLs hosted on compromised WordPress sites and disposable hosting. The presence of multiple external URIs and link farm heuristics strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 6
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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 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://catamma.ru/uplcv?utm_term=vieka+apk+download PDF link annotation
- http://aksaaydinlatma.com/img/editor/image/file/konomukolobago.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-17/20210517221937530031.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076f11f16104---33182646416.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce10e3e173---lederolebelirazol.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/b960d40ca88f73f7475192e8892446dc/64315038985.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8a42082cc---34632896859.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160735a33b8b90---11026276456.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa295a6645---27284041042.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/2753169b18ce2ecd5303ecf61fbb533e/1567422364.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/cb9206f61ac999c9ecc90688cd868d28/wawewixamilulom.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b8b8cb8bca---89480407525.pdfIn PDF document text
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd39835d6c---xedet.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077cb4a27071---zuzipeviwuzovu.pdfIn PDF document text
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/a37a188509d4ee93aeff79b2882ed0bd/83804248569.pdfIn PDF document text
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/gjbgb45c1kvmqvc0u9j38htgk8/17200637878.pdfIn PDF document text
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ce39da770---zetepulafasimito.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/2bme53hsorosf8vbo6m4enl6p2/pagefeguji.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e239.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE239 | 4800 bytes |
SHA-256: 4fa45ddae7b0682b7d230580491f11a43e655339a0019b4d4cf3ddb1138879e6 |
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font_01_sfnt_off0000f2b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B9 | 12092 bytes |
SHA-256: 161b3c775a25a03b9c7f4cb1df74aaf48b956badff0330a398da5e1ce52f0080 |
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