MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as malicious by ML classifiers and ClamAV, with heuristics indicating it's an image-only lure designed to trick users into clicking an embedded link. The document body is heavily obfuscated, but the presence of numerous external URIs, including one pointing to 'laborke.ru', suggests a phishing or malware distribution attempt. The sample's structure and content align with common tactics for delivering malicious payloads via deceptive documents.
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://laborke.ru/uplcv?utm_term=android+virtual+machine+apk PDF link annotation
- https://hobbypet.cz/files/file/nogifawozikojogebotowetog.pdfIn PDF document text
- https://sedefartphotography.com/resimler/files/zunawejireravuju.pdfIn PDF document text
- https://vibangnhadat.com/uploads/files/pogowifibege.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143da3bb5072---30030557110.pdfIn PDF document text
- http://vstarmp.cn/upload/files/20210905_001606.pdfIn PDF document text
- http://mebelhotel.ru/userfiles/files/87319428126.pdfIn PDF document text
- https://cobaltinc.org/userfiles/file/ravanefoguvute.pdfIn PDF document text
- http://manpukulivermore.com/uploads/files/92376497838.pdfIn PDF document text
- http://msnladyboy.com/ckfinder/userfiles/files/musiwosotobim.pdfIn PDF document text
- http://kientrucnhacuagio.com/upload/files/soreb.pdfIn PDF document text
- http://diennuocdanang.com/uploads/image/files/7222053669.pdfIn PDF document text
- https://xn--90aoja6ahg5ds.xn--p1ai/uploads/files/nebelajewuz.pdfIn PDF document text
- http://inggeo.eu/userfiles/files/lexaxusevadon.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/9280120696.pdfIn PDF document text
- https://araprinter.com/ckfinder/userfiles/files/norokesowoju.pdfIn PDF document text
- https://barcelonacentromedico.es/files/galeria/files/xomamuzezurezezexuke.pdfIn PDF document text
- https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/rizikogujasifenobifidanoj.pdfIn PDF document text
- http://nicolalazzarotto.com/userfiles/files/60364711242.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/naliluwunudivipebuzizumer.pdfIn PDF document text
- http://girisimcilikproje.com/resimler/files/begeragipupatozopotiri.pdfIn PDF document text
- http://siddharpeedam.org/userfiles/file/In PDF document text
- http://henzefashion.com/userfiles/file/lidizolovesizapu.pdfIn PDF document text
- https://limsurdua.com/contents/files/12842824978.pdfIn PDF document text
- http://eichler-kammerer.de/70278597761.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_off0000b0f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC908 | 10848 bytes |
SHA-256: bb7cf19a64e2418a8850cd51b7251da0a5ee36567796c22622ea3699cb119201 |
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font_02_sfnt_off0000e1e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1E5 | 14104 bytes |
SHA-256: 6efe6f0604c682f644843be835957c5ceca2c3a6e7473392d46226a40665713c |
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