MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external URLs, many of which are hosted on disposable domains and appear to be part of a link farm. The heuristic 'PDF_RANDOM_URL_LINK' specifically flags a link to a PDF file on a suspicious domain, indicating a likely attempt to serve a second-stage payload. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 http://alotercuman.com/ckfinder/userfiles/files/86091453951.pdf In PDF document text
- http://kanoonkaraj.ir/dbmanager/filebank/htmlgallery/file///57382764589.pdfIn PDF document text
- https://k85shj16h-561lt.com/contents/files/52952994902.pdfIn PDF document text
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/dl6iug1vi5bb90c802s4q3q2p7/mabuletebaseditexujugoj.pdfIn PDF document text
- https://lidiyageorgieva.com/ckfinder/userfiles/files/furusiziwalebivajufe.pdfIn PDF document text
- http://kcpsystem.com/userData/board/file/99527950137.pdfIn PDF document text
- http://zzps.pl/userfiles/file/juwitilasalojad.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/89053561614.pdfIn PDF document text
- https://tortugafilms.ca/adminfiles/file/pevorokujarodila.pdfIn PDF document text
- http://marasintl.com/public/ckfinderuploads/files/konebiwetamosu.pdfIn PDF document text
- https://dycmc.com/DATA/upload/files/202109081101233904.pdfIn PDF document text
- http://trevelci.ru/ckfinder/userfiles/files/nipegoke.pdfIn PDF document text
- http://superazs.ru/images/news/file/10829759446.pdfIn PDF document text
- http://kowel.com/ckfinder/userfiles/files/1631514547.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/69290370848.pdfIn PDF document text
- http://vuatoyen.com/uploads/userfiles/file/70839762854.pdfIn PDF document text
- https://nothingbutsafetyglasses.com/userfiles/file/sukozatagenixoro.pdfIn PDF document text
- http://klgd.spokoino.ru/i/upload/files/53214532190.pdfIn PDF document text
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/cbbb0d8fcce5c5c903eb5dcc63763d6b/zasodabemubejozoxezuraji.pdfIn PDF document text
- http://mclarenquartz.in/ci/userfiles/files/nudaral.pdfIn PDF document text
- http://sintniklaas.kinderopvangpimpeloentje.be/ckfinder/userfiles/files/fibunem.pdfIn PDF document text
- http://didaconcept.com/admin/fckeditor/file/vataziduronegewut.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=my+sister+the+vampire+books+read+online+for+freePDF link annotation
- 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_off0000d5a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5A7 | 17480 bytes |
SHA-256: a95a465972c2d23599d34cc1071c92580fd6583c71459ecb12fdd0204bdd9cb4 |
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font_01_sfnt_off0001030b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030B | 11168 bytes |
SHA-256: 290492a685f16fa5ebf5d9058e81d589e568130f159cc2d9b1b047112e21c348 |
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font_02_sfnt_off00011cc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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