PDF malware analysis — malicious · c2654f0a5abe1492

MALICIOUS

PDF

82.6 KB Created: 2021-03-20 23:55:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10

MD5: 9a4fbd40afe638b44cc8cde48f20bed4 SHA-1: f44cb4e3d6e3c9f8fc6b528c59653ee195d22e3b SHA-256: c2654f0a5abe14922136c191ea6a4aa4304f8990e80d4132e1214537265eb9f6

126 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URIs, with a primary focus on 'https://bologen.ru/wix?keyword=gemini+man+free+online+stream', which is likely a phishing or malware distribution lure. The PDF also includes a link farm heuristic, indicating a pattern of directing users to multiple external sites, some of which are hosted on disposable domains.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV 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_FARM

Small 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_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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_URL

One 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://bologen.ru/wix?keyword=gemini+man+free+online+stream PDF link annotation
- https://cdn-cms.f-static.net/uploads/4486213/normal_604e3a716287c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445106/normal_5ffff0dbf21e7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388825/normal_5fdf3ccb5809a.pdfIn PDF document text
- https://cdn.sqhk.co/madagijoj/zXlhbic/tiktok_starbucks_coffee_sweet_cream.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365580/normal_5fd659f2b0216.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376598/normal_5fe4cab371237.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369334/normal_5fd7a7de487b7.pdfIn PDF document text
- https://cdn.sqhk.co/sewetotab/cVi1Yid/revenge_of_samurai_warrior_hack_apk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446264/normal_604ca3a3a0f8d.pdfIn PDF document text
- http://zipubezexupoka.mywebcommunity.org/night_of_the_iguana_imdb.pdfIn PDF document text
- https://cdn.sqhk.co/rowubuvuke/8haidid/vawubuwibekededezon.pdfIn PDF document text
- http://luxomozuk.mypressonline.com/miroragakabamupomatoza.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459776/normal_5fefc01d4c100.pdfIn PDF document text
- https://cdn.sqhk.co/puranajav/hgdcnMh/13220586761.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447108/normal_600fa849716b8.pdfIn PDF document text
- https://cdn.sqhk.co/fiseguvugele/4oN1jhr/fizazorajinapigigubof.pdfIn PDF document text
- https://cdn.sqhk.co/jotenitix/gjgeUjd/balloon_decoration_sale_cape_town.pdfIn PDF document text
- http://xerijegodufiw.mypressonline.com/recommendation_letter_job.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388815/normal_600256b8d4bc2.pdfIn PDF document text
- https://cdn.sqhk.co/vuxeneson/PjaOHgh/music_maker_relief_foundation_communications_manager.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://woranuganavot.myartsonline.com/kamiwawuzawij.pdfIn PDF document text
- http://fajenadiwizowo.atwebpages.com/kajoxadojaj.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f960.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF960	4732 bytes
SHA-256: `59091972a20d5735322921135d47e33badded3bfc602a49437329e2a12f09f57`
`font_01_sfnt_off0001094f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1094F	10816 bytes
SHA-256: `ba0d3f185da58919c0cd774e0859b9574bf9e68b02f5f9714bbb4bf0c8e2725d`
`font_02_sfnt_off00012e53.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12E53	4324 bytes
SHA-256: `ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230`

Open this report in the interactive analyzer, or submit your own file for analysis.