MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics identified it as a link farm with numerous disposable URLs, suggesting a phishing or malware distribution scheme. The embedded URLs point to various domains, likely serving as lures or download sites for further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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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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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://pistant.ru/uplcv?utm_term=irs+form+1040+schedule+3+instructions+2020 PDF link annotation
- http://xn--b1agpbmdtf.xn--p1ai/upload/file/zaladafasubig.pdfIn PDF document text
- http://immobilieninvestors.eu/userfiles/file/waziterugi.pdfIn PDF document text
- https://jakspravnenapsa.cz/userfiles/file/66908558269.pdfIn PDF document text
- http://erex.hu/upload/file/79548886079.pdfIn PDF document text
- http://sromedical.com/file_media/file_image/file/gozoperoluratimotaxakar.pdfIn PDF document text
- https://glaze-metalart.com/upload/files/jaxenadek.pdfIn PDF document text
- http://liburnia.pl/userfiles/file/dumititizenerub.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/432f122bd9e729501733f33eca750a54/96184297803.pdfIn PDF document text
- http://bernardthevenet.fr/ckfinder/userfiles/files/38596097977.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/egpd542kb9dtiv8uq8drbocue1/vetaxageritalufokomujo.pdfIn PDF document text
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/futaxas.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/87269620844.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/tefesasuvukerumajipusi.pdfIn PDF document text
- http://plise.org/userfiles/file/fugetunilijademibofojipa.pdfIn PDF document text
- http://fiumaradelsossio.it/userfiles/files/zisoxukivibuve.pdfIn PDF document text
- https://piti.leaddeehub.com/userfiles/files/sexiguj.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/45179176117.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/bafulabajuvifipuza.pdfIn PDF document text
- http://abpaluso.com/upload/file/50836788040.pdfIn PDF document text
- http://labellebeaute.com.hk/ckfinder/userfiles/files/surikazo.pdfIn PDF document text
- http://castrolmintabolt.hu/images/upload/file/78967055501.pdfIn PDF document text
- https://resicolor.com/upload/files/45763480574.pdfIn PDF document text
- https://soudurelauziere.com/upload/editor/file/kasafagimovakisudovojam.pdfIn PDF document text
- http://hamyarsanatco.com/ckfinder/userfiles/files/wedidokolod.pdfIn PDF document text
- http://kennycojewelry.com/userfiles/files/202109/1633022939.pdfIn PDF document text
- https://bishopsalamatkhokhar-org.bskm.org/userfiles/file/nuxalekofuleg.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_off0000da88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA88 | 11176 bytes |
SHA-256: a216b81410ca5d02d46af50c07118d4455bf682bb255b08044e1088a8c8761c9 |
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font_01_sfnt_off0000f49c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF49C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010cae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CAE | 17580 bytes |
SHA-256: c8b84e741e2fc1481d3161a25f2c5d35e01abf1dc4e6eb6fb2246ae95c0b313a |
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