MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised websites, including WordPress upload storage. The presence of external URIs and link farm characteristics suggests a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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=all+reset+mobile PDF link annotation
- https://www.gurkhasfinance.com.np/ckfinder/userfiles/files/23684654783.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/18813736397.pdfIn PDF document text
- http://praconsulgroup.ru/pict/file/27548905266.pdfIn PDF document text
- http://tdsns.ru/userfiles/file/riganipore.pdfIn PDF document text
- https://jerseyshorepirates.com/userfiles/files/98156306237.pdfIn PDF document text
- http://fszhenjia.com/upfolder/e/files/20210904085616.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/demazi.pdfIn PDF document text
- https://fizjolech.pl/userfiles/file/baraxarodasukodidam.pdfIn PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/pafoxokekabegixutun.pdfIn PDF document text
- http://bftt.marketsearching.com/upload/files/92891800981.pdfIn PDF document text
- http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/fumifuzom.pdfIn PDF document text
- https://noithatkuongthinh.com/uploads/files/5530968528.pdfIn PDF document text
- http://huerural.com/uploads/image/files/1810764679.pdfIn PDF document text
- http://pibar.tw/uploads/files/202109071509257380.pdfIn PDF document text
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/befegixofupuwegipulupolof.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/d429743ee100f8fdff21fbe4dd6af996/81341997144.pdfIn PDF document text
- http://grupopiscis.com/upload/files/15712401228.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/ketukul.pdfIn PDF document text
- https://austdoorcaocap.com/upload/files/13584952915.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef94fdec80---pivijajijunazazanog.pdfIn PDF document text
- http://szm.hu/userfiles/file/xetunalerudumuwi.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/a546agi1015a6tg1tbt5nu4sc2/31136617940.pdfIn PDF document text
- https://bostaninsaat.com/image/files/dufuzuvugivotegisilugi.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/8212806726.pdfIn PDF document text
- http://musik-fachberatung-neumarkt.de/images/uploadedimages/file/7817649340.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_off0000d91f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD91F | 10124 bytes |
SHA-256: 12b21cbd65160d09a4d4f83130cd6c207940b2d56206e6b8e270fa42a4475fb8 |
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font_01_sfnt_off0000efc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC1 | 18592 bytes |
SHA-256: 89a3bb0a9342e089a4ec1fdc4ade65c076108e8ba0206c209f68f8141e55eb9f |
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font_02_sfnt_off00011fc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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