PDF malware analysis — malicious · 2d6f5290c149f178

MALICIOUS

PDF

60.7 KB Created: 2020-11-14 20:00:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: f80893fa6bb935b86fcdb7ea6f9f6fbc SHA-1: 6b9189cbcb241c6f39bfd5c62b98051226fa19b7 SHA-256: 2d6f5290c149f1781dc414350f8ae0948cb7b6d011b088f68f61e66032266e81

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains heuristics indicating it is a link farm and has been flagged by ML classifiers and ClamAV as malicious. It embeds external URIs, with the primary suspicious URL being trafffe.ru, which is likely used to redirect users to a malicious site. The document body, though heavily obfuscated, suggests a lure related to a water heater manual, aligning with phishing or malware distribution tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 5

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://trafffe.ru/aws?utm_term=ariston+water+heater+30+liter+manual
- https://zirenujunez.weebly.com/uploads/1/3/4/4/134431605/5929568.pdf
- https://tuxitusonodedin.weebly.com/uploads/1/3/0/8/130873989/8558987.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/dibedamoka/fovofuviwopelir.pdf
- https://s3.amazonaws.com/xozeb/taraftarium24_lig_tv_canli_izle.pdf
- https://s3.amazonaws.com/vikukinumet/dubogafu.pdf
- https://s3.amazonaws.com/vexosafugunu/16759510620.pdf
- https://s3.amazonaws.com/sefiwegegagu/biztalk_server_2016_tutorial.pdf
- https://s3.amazonaws.com/robumuduluwise/pg_tips_tea_bags.pdf
- https://uploads.strikinglycdn.com/files/e059771d-7570-4824-b34f-dc5eb133e0c2/beat_street_soundtrack_songs.pdf
- https://uploads.strikinglycdn.com/files/cc52dd0d-fa21-44a2-8a45-c3f14acd2316/64004125633.pdf
- https://s3.amazonaws.com/kepevipawit/504305585.pdf
- https://uploads.strikinglycdn.com/files/baa45c8f-ecae-411d-be82-09646374c669/pifidetaziwanabi.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_off0000b38d.bin` `a65474e9e2211d2d8406667a0d7153315f60df6050345603fcdab36fbf7a5b0b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB38D	5312 bytes
`font_01_sfnt_off0000c57f.bin` `17d6dc0387668b0db557a0bec08c8ff43b6c031d9264123a3ccff069198d1441`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC57F	9564 bytes

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