MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs pointing to external PDF files, indicating it functions as a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags this behavior, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://wastran.ru/uplcv?utm_term=why+do+my+apps+keep+closing+android PDF link annotation
- http://pibar.tw/uploads/files/202109171752092509.pdfIn PDF document text
- https://semangkabiji.com/contents/files/foridenebidosivuwumujuso.pdfIn PDF document text
- http://cyuanmei.com/userfiles/file/wonizetulenifobitunuwira.pdfIn PDF document text
- https://currenwatch.myhost360.cn/file/upload/files/09-06-23-53-18-26.pdfIn PDF document text
- https://opsclown.it/ckfinder/userfiles/files/74401101450.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/99215667423.pdfIn PDF document text
- https://suma.ca/upload/editor/file/17600965480.pdfIn PDF document text
- https://bearings.vn/images/ckeditor/files/mituvudobomaguw.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc39a47d1a---kitelomutexirute.pdfIn PDF document text
- http://www.sec-ollivier-associes.fr/www/upload/file/39629324811.pdfIn PDF document text
- https://pharmnet.cz/ckfiles/files/files/12649191891.pdfIn PDF document text
- https://motiwalainstitutes.org/userfiles/file/4888781165.pdfIn PDF document text
- http://socukorglutamatmentesfuszer.hu/ckfinder/userfiles/files/lemaxavubivasu.pdfIn PDF document text
- http://packamate.com/userfiles/27792158641.pdfIn PDF document text
- https://schachverein-marchhoefe.ch/fcsr/news/upload/file/85565463452.pdfIn PDF document text
- http://energyexcess.com/userfiles/file/suwopa.pdfIn PDF document text
- http://plafondchauffant.fr/img/user/file/40968071156.pdfIn PDF document text
- http://odpadykj.cz/UserFiles/File/fivanoteminumikegujeso.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/gumizovemekuzufojewad.pdfIn PDF document text
- http://harryreichert.de/uploaded_pics/News/file/tilajafowitoseb.pdfIn PDF document text
- http://daglichtfilters.nl/ckfinder/userfiles/files/59494856752.pdfIn PDF document text
- https://postelezmasivu-olomouc.cz/ckfinder/userfiles/files/tikilabigodotulepob.pdfIn PDF document text
- http://eros-arena.name/eros/userfiles/file/69929390962.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_off0000b361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB361 | 16608 bytes |
SHA-256: acc53a9a8e9f12c078fa35a953e7347b35646159cd2e60ae308914f6ed239d09 |
|||
font_01_sfnt_off0000dd99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD99 | 11060 bytes |
SHA-256: 859ba654d8f78f52d5bb6ed01bdb702086c22022054e9b7727f7069093fa9f42 |
|||
font_02_sfnt_off0000f6ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.