MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URLs, many hosted on compromised WordPress sites or disposable domains, suggesting it's designed to redirect users to malicious content. The presence of 'utm_term' parameters in some URLs indicates a potential SEO-based lure to attract users searching for specific software.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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://smidgel.ru/uplcv?utm_term=adobe+after+effects+apk+for+android PDF link annotation
- https://longhoang.vn/upload/files/nakubiwugedadivulonufuru.pdfIn PDF document text
- https://alansglobalservices.com/ckfinder/userfiles/files/fagejoviz.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/1a6541c2ea9dfa8817b8aa2e4d03b23b/zobitates.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/11477479270.pdfIn PDF document text
- https://interativacorretora.com/fotosempresa/files/39089049800.pdfIn PDF document text
- http://tcyy88.com/userfiles/file/2021090914331273499.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16146658a762a0---sezex.pdfIn PDF document text
- http://movitecnic.fr/ressource/site-image/files/jomodozavetubobewawodup.pdfIn PDF document text
- https://torgradio.ru/new/files/file/95318435597.pdfIn PDF document text
- http://athaj2.specialty-match.com/upload/files/22133958696.pdfIn PDF document text
- http://madinagirls.com/easydo%20v2.00/files/uploads/pimemelagagu.pdfIn PDF document text
- http://globalone-mould.com/gbw/fckfiles/20210920194236.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613777912ddec---febilos.pdfIn PDF document text
- https://polymadeniyaglar.com/fckeditor/userfiles/file/14660368909.pdfIn PDF document text
- http://houstontca.org/Content/uploads/files/88803940382.pdfIn PDF document text
- http://studiotecnicobergamaschi.it/userfiles/files/zodutipusodab.pdfIn PDF document text
- http://ichieh.tw/uploads/files/202109051704354928.pdfIn PDF document text
- http://hepiran.com/cache/fck_files/file/zixovumoxuk.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/xefebijovutedegizi.pdfIn PDF document text
- http://stapper.de/sites/default/files/userfilesfile/39161259574.pdfIn PDF document text
- https://tectrongim.com/uploads/files/gosarowikixitexedutano.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16136407b018a6---ridefojagaxuzi.pdfIn PDF document text
- http://mirutte.com/newsfiles/files/11111398473.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_off0000cd82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD82 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e599.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE599 | 10780 bytes |
SHA-256: bc8af2ca539bd2389eef21271a255a84dc0f446431a14a0b4b5e49c33863c630 |
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font_02_sfnt_off0000fe5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE5D | 17804 bytes |
SHA-256: be9d28d81f0281d0f57da2778822f18a512ff63458fd18f761f36581a1735d8e |
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