MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains a link farm pointing to numerous disposable domains and compromised CMS upload storage, indicating an attempt to redirect users to malicious content. The presence of multiple external URIs and a link farm structure strongly suggests a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://dm288.rs/slicice/file/gorupuxejut.pdf In PDF document text
- http://belv.ru/userfiles/file/1120393002.pdfIn PDF document text
- https://profm.hu/files/file/2263790298.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/bavipokadoxabedododevozaw.pdfIn PDF document text
- http://www.farmaciabergua.com/userfiles/files/gararinawufelewewuki.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/1acb3d3bf126ac807c245fa3eddb64f9/57740439047.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb85b9507d---tabegox.pdfIn PDF document text
- https://wisserarm.nl/app/webroot/files/userfiles/files/81612306974.pdfIn PDF document text
- http://www.ctnphrae.com/ckfinder/userfiles/files/patuwexumilezugabi.pdfIn PDF document text
- http://centrlita.ru/archive/image/file/jelozuzurepivevarib.pdfIn PDF document text
- https://egyediajandekotletek.hu/mvc/userfiles/file/gimeperaxula.pdfIn PDF document text
- https://paramourpourbebe.bettygagne.ca/userfiles/file/83794697324.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/14284f2f159d052c39bf7531c2c772bf/vifim.pdfIn PDF document text
- http://kcpsystem.com/userData/board/file/20575088021.pdfIn PDF document text
- https://grafconsulting.pl/Upload/file/dedujunuximimowap.pdfIn PDF document text
- http://kbautotech.com/board/datafiles/imagefile/jelirul.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210903101950_56khba.pdfIn PDF document text
- http://aeon-dev.com/uploads/files/202109110323542239.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130317e490f7---26214259362.pdfIn PDF document text
- http://kengosushionlineorder.com/uploads/files/nujezulawelaworezakuloj.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136ffa24c539---52249296391.pdfIn PDF document text
- https://ximangcampha.vn/upload/files/14376009881.pdfIn PDF document text
- https://www.idd.no/ckfinder/userfiles/files/18124826387.pdfIn PDF document text
- http://gocep.org/data/userfiles/files/kopilirobobelutipusumoza.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=unlock+pc+with+phone+fingerprintPDF 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_off0000de4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE4C | 10612 bytes |
SHA-256: d1100a87e257fae9d782a2ad643fb9b51f8553414c80e4333aba9e0613d1f2c3 |
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font_01_sfnt_off0000f680.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF680 | 18088 bytes |
SHA-256: 7db2b2d3196577f328be8f9bb90d2c92cf53a6d70a9bfb0e33c05340a16389dc |
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font_02_sfnt_off000124eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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