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 websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links. The presence of a 'utm_term' parameter in one URL suggests an attempt at tracking or campaign attribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://chcial.ru/uplcv?utm_term=zombie+frontier+sniper+fps+mod+apk PDF link annotation
- https://armature.ir/cache/fck_files/file/31060120234.pdfIn PDF document text
- http://edilcfcostruzioni.com/userfiles/files/wenose.pdfIn PDF document text
- http://dichvutheapec.com/upload/FCK/file/duwukoveteporo.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/45697647903.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613261ef2ad7a---33425723318.pdfIn PDF document text
- http://we2meeting.com/ckfinder/userfiles/publics/files/pezaxogojexas.pdfIn PDF document text
- https://itracmediav5.com/ckfinder/userfiles/files/3064134155.pdfIn PDF document text
- http://queensparkview.com/image/upload/File/nunazorelubaboki.pdfIn PDF document text
- http://bibliotekaszamocin.pl/img/upload/files/xizukajokadavugi.pdfIn PDF document text
- https://raguvosbaldai.manovonia.lt/images/files/89464269111.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/8946927397.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfeb0d79e9---37287469809.pdfIn PDF document text
- http://midospa.com/upload/files/resulutoj.pdfIn PDF document text
- http://boxerdapolenta.com/cmsimple/images/file/91897891373.pdfIn PDF document text
- https://datawire.gr/files/files/fivapepejemil.pdfIn PDF document text
- http://olguanaokulu.com/upload/file/xupipi.pdfIn PDF document text
- http://weiddy.com/uploads/files/202109082032287939.pdfIn PDF document text
- http://m2m2design.com/userfiles/fomokinogigomobakuvod.pdfIn PDF document text
- https://kaskad-74.ru/images/uploads/57073382506.pdfIn PDF document text
- http://herfon-machinery.com/images/ckfinder/files/20210910200458.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/76616169021.pdfIn PDF document text
- http://thebankcardservice.com/uploads/files/12697856290.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/e08ae6216c29cb772845da8f9207bf2b/75007674028.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_off0000b369.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB369 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB80 | 10808 bytes |
SHA-256: 9904b242b1d728e3e50d29dcd57c3ea253c9e82f23b3660b1c4aa63f161542b0 |
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font_02_sfnt_off0000e42f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE42F | 14272 bytes |
SHA-256: fe0d068650bcb12648386ae16fe757545a06a546a6d8ae038f5f5768050c0fdd |
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