MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing and malware distribution lure. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document attempts to trick users into installing malicious browser extensions or updates. The presence of numerous external URLs, many on disposable hosting, suggests a link farm designed to redirect users to malicious sites. No scripts were extracted from this sample, but the overall structure and heuristics point towards a social engineering attack aimed at compromising the user's system.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://philabc.ru/uplcv?utm_term=translate+page+web+chrome PDF link annotation
- http://tacchigroup.com/public/thread/risorse/file/71577670608.pdfIn PDF document text
- https://macauroommate.com/ckfinder/userfiles/files/zerokogu.pdfIn PDF document text
- https://y3stwk65l-mn9.com/contents/files/jodex.pdfIn PDF document text
- http://frickcontrols.com/uploads/files/palafetosuziwakivegawi.pdfIn PDF document text
- http://ssteelelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wokelekojomudupajivogowi.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/33541673191.pdfIn PDF document text
- https://sbmhavacilik.com/userfiles/file/22310089375.pdfIn PDF document text
- https://akemi.ro/hirek/file/lelotibovorivezat.pdfIn PDF document text
- http://ouhkpthaa.org/userfiles/55523666418.pdfIn PDF document text
- http://ppfi-online.com/userfiles/file/jamepuzupidu.pdfIn PDF document text
- http://fornacedelia.it/userfiles/files/xazesutidakukirokidotesit.pdfIn PDF document text
- http://bodegaadrover.com/userfiles/imagenes/4449966626.pdfIn PDF document text
- http://etnorom.hu/pictures/11273753035.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130733613bad---wojezuva.pdfIn PDF document text
- https://uudanbury.life/files/file/31704299255.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/80645126717.pdfIn PDF document text
- http://studiomalpocher.it/userfiles/files/45065454524.pdfIn PDF document text
- https://zakarpattya-tour.com/upload/wokopanenakeje.pdfIn PDF document text
- http://canadianrockies.info/files/file/98560238966.pdfIn PDF document text
- http://benrassam.com/uploads/files/labobugaj.pdfIn PDF document text
- http://adas-muko.pl/photo/file/3734260653.pdfIn PDF document text
- http://apexnepaltravel.com/userfiles/file/momajapimudulopejavut.pdfIn PDF document text
- http://artemon.nl/userfiles/file/17972321685.pdfIn PDF document text
- http://revtechnik.cz/userfiles/file/gijusakumexabifu.pdfIn PDF document text
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/96102410160.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/eb9bd151d59d2009ed10446e5b17f281/koxudedumer.pdfIn PDF document text
- http://exima.kr/userData/board/file/joxopetiwolomomam.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_off0000ed50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED50 | 10920 bytes |
SHA-256: 53da437ce48dbeefbda6d91dc8c7127b364d752783dbcbf9f4ba009d2807007b |
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font_01_sfnt_off00010643.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10643 | 19232 bytes |
SHA-256: ee8a6e6211709dcb054a00a484c023b6451cbe84203c6f9d729f400219c4355f |
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font_02_sfnt_off00013795.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13795 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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