MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as a malicious PDF by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous external URIs, including one pointing to a raw IP address, and is described as a link farm on disposable hosting. While no scripts were explicitly extracted, the presence of multiple external links suggests a redirection mechanism likely intended to lead users to malicious sites for phishing or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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=words+beginning+with+gu PDF link annotation
- http://angelofthewinds.net/ckfinder/userfiles/files/79835315885.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/161420e49a9755---kutap.pdfIn PDF document text
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/c64643cd7e36650ab460f07c1b0aff23/28747378591.pdfIn PDF document text
- http://www.colormotion.cz/UserFiles/file/29598227800.pdfIn PDF document text
- https://adesso-moosburg.de/images/file/3542329549.pdfIn PDF document text
- http://studiocastigli.eu/userfiles/files/gopemosuna.pdfIn PDF document text
- http://lauraestetica.com/userfiles/files/rawozivinijigigukawixitem.pdfIn PDF document text
- http://marjoleintje.nl/include/userfiles/zitokopiwuzizuvatatalu.pdfIn PDF document text
- https://299-45.com/CKEdit/upload/files/52836808117.pdfIn PDF document text
- https://viboot.traigiongthuha.com/ckfinder/userfiles/files/20454939520.pdfIn PDF document text
- http://140.121.180.103/ckfinder/userfiles/files/15915032304.pdfPDF link annotation
- https://firsatoyun.com/calisma2/files/uploads/75861404229.pdfIn PDF document text
- https://nucamsa.es/userfiles/files/14520011154.pdfIn PDF document text
- https://hippodrome-compiegne.fr/www/uploads/file/10608921266.pdfIn PDF document text
- https://didacostruzioni.it/userfiles/file/37574500077.pdfIn PDF document text
- http://remont-elektro.eu/archiv/file/14074372283.pdfIn PDF document text
- http://scro.ru/pic/file/nufojawit.pdfIn PDF document text
- http://kasand.com/userfiles/9676212996.pdfIn PDF document text
- https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/mukebiforefototomuwanuroj.pdfIn PDF document text
- https://www.retake.dk/ckfinder/userfiles/files/bilosasesigopeju.pdfIn PDF document text
- https://balbok.net/admin/ckfinder/userfiles/files/gaxagijajugeva.pdfIn PDF document text
- http://okuninka-biale.pl/userfiles/file/41503393098.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_off0000c8a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8A4 | 17184 bytes |
SHA-256: 51cf9e7c815224b4ca16e73f27066deb3700b0585eb5ecd5f3fbc809409b860f |
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font_01_sfnt_off0000f527.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF527 | 10640 bytes |
SHA-256: 02b26fe65bef1b2d5af519bd15e9f170157cfd39017c0138446d0629dbdbb550 |
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font_02_sfnt_off00010d4b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D4B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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