MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to host numerous links on disposable domains, a common tactic for distributing malware or conducting phishing campaigns. While no scripts were directly extracted, the presence of numerous unknown URLs points to a likely attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 5
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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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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://concurs-euclid.ro/upload/fck/tapegekasujajodekenibu.pdf
- http://cableesmaltado.com/d/files/renosukubejupujogijasabi.pdf
- http://konferencii.org/web/uploads/assets/file/79391237783.pdf
- http://oreoltour.ru/sites/default/files/file/76756003363.pdf
- http://adria-ex.com/images/blog/file/49388253159.pdf
- http://lagostena.it/userfiles/files/73131149444.pdf
- http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/12664168782.pdf
- http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/2363084693.pdf
- http://elosc.com/upFile/file///ITX202109081534501554.pdf
- https://pu.vienhung.com/webroot/img/files/16071466452.pdf
- https://ximangcampha.vn/upload/files/18908855460.pdf
- http://liqaa-lb.com/files/userfiles/files/goxipexa.pdf
- http://bjxbw.cn/userfiles/file/12116703114.pdf
- http://blccy.com/userfiles/files/40314161221.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/hhl260blq9mv63gu4d895v6mm4/wojofigodosexodupaj.pdf
- http://schubert-hh.de/image/file/57776701232.pdf
- https://rockyhotelsgroup.com/uploaded/files/16423494545.pdf
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/674021bf1c341c9de1a66d2ddaa96de1/3701212091.pdf
- http://nceed.kr/pds/userfiles/files/55487602412.pdf
- http://quangphong.vn/uploads/image/files/46642551472.pdf
- http://modamoda.nl/uploads/pic_lib/file/92434279895.pdf
- http://ordineveterinarireggioemilia.it/userfiles/files/79649008367.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=motivational+words+that+start+with+k
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e748.bin905fb491170511565723bb88c38e5dadc7ae7a74f2d660e75bb7586386859780 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE748 | 10452 bytes |
font_01_sfnt_off0000fefb.bine9bc8cfc1bf7460674f391074c8ef8754819c1e1df7cb325292febba28bb096f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFB | 17804 bytes |
font_02_sfnt_off00012d24.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D24 | 16792 bytes |
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