MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and an ML classifier. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. One of the embedded URLs, 'https://trafffi.ru/123?utm_term=reasons+why+the+constitution+is+still+relevant', is a primary indicator of this malicious activity. No scripts were extracted, but the PDF structure itself facilitates the redirection to these external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
-
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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://trafffi.ru/123?utm_term=reasons+why+the+constitution+is+still+relevant
- https://cdn-cms.f-static.net/uploads/4370056/normal_5f8ec2819c2f1.pdf
- https://jujizifij.weebly.com/uploads/1/3/4/3/134309807/5852420.pdf
- https://cdn-cms.f-static.net/uploads/4369900/normal_5f90ed9c4291a.pdf
- https://vumukawa.weebly.com/uploads/1/3/4/6/134662430/6811985.pdf
- https://talowitutujuf.weebly.com/uploads/1/3/3/9/133999148/nasibosakeb.pdf
- https://cdn-cms.f-static.net/uploads/4369190/normal_5f98cd70328fe.pdf
- https://xusawoji.weebly.com/uploads/1/3/0/7/130739635/5357769.pdf
- https://panatomovedo.weebly.com/uploads/1/3/4/6/134688712/refafadakikidutixaj.pdf
- https://tizamanana.weebly.com/uploads/1/3/4/8/134877207/gukada_giruvotalaral_jikewozavatimur_razatu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/c82ce822-9ece-4479-b184-7249dc90618c/todakezudofiwanin.pdf
- https://uploads.strikinglycdn.com/files/fb0c7105-2f36-4405-81f2-a5fae4b7391e/fezarim.pdf
- https://s3.amazonaws.com/babuxufarizuxur/bal_vikas_btc_first_semester_book.pdf
- https://s3.amazonaws.com/zonebon/agreement_establishing_the_african_continental_free_trade_area.pdf
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d25c.bind6b1922c7b87810b6418844276853700d962d2b9a789bc58e1ff58c74c541730 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD25C | 5148 bytes |
font_01_sfnt_off0000e3f8.binf8465e90b64e4304d0a9f1718e4a09ad7eac63fe7205d78a70c0739da1721184 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F8 | 10628 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.