MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. It also features a large number of external links, many hosted on compromised websites, suggesting a phishing or content-luring campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to download further payloads or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://garglob.ru/uplcv?utm_term=bmw+1+series+owners+manual+pdf+download
- http://agro-pasz.pl/ckfinder/userfiles/files/59487525698.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/7gh1sbpjpacfb1au3od1tnv59q/wotedikugavozoreja.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b2967228cee---55019675680.pdf
- https://iword.de/userfiles/file/10137120714.pdf
- http://inventory-acepipe.com/images/uploads/files/93600758679.pdf
- http://zbraneklapka.cz/ckfinder/userfiles/files/gekevorugi.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/c42d8371d9c39d45cce52dbb77764503/lutavigirugakupa.pdf
- http://richmore.kr/uploadfile/fckeditor/file/xomugorejivage.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/56934cc6368ffabee211004f908a1d9d/sederixagukegikuzamub.pdf
- http://parkety-patemal.sk/files/file/77647769219.pdf
- http://foodchemsino.com/d/files/10709286474.pdf
- https://ancoraeducacion.com/images/25267102335.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160da0d029c124---65860597846.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e902694ae5---rivodowewa.pdf
- http://jfe.hk/userfiles/zulip.pdf
- http://arunimaflavours.com/userfiles/file/nuvewotagarozega.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099314083420---26347710998.pdf
- https://silky.ae/images/bulk_images/files/49816395979.pdf
- http://studioriggio.it/userfiles/files/74120798793.pdf
- https://www.albriug.com/static/editor/ckeditor/ckfinder/upfile/files/86623257195.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b21d27d82fa---ruliwegonowekenabalogudel.pdf
- http://daieimotors.com/js/upload/files/logasujuxu.pdf
- https://funke.be/data/file/89994716173.pdf
- http://sklepjola.pl/userfiles/file/fakoxiledazewulu.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd1fe8afb14---susupemubevavilodig.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eed1.binfb376ccd74e98162d3698b1fb17d6951d30da2271820dd7e1a91be04a65bc485 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED1 | 19484 bytes |
font_01_sfnt_off0001218f.bin8cdbdf5ed360b64643f832cfcb691388b7e74c8564fd69cd3f82bbe261eed016 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1218F | 10852 bytes |
font_02_sfnt_off00013aaf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AAF | 16792 bytes |
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