PDF malware analysis — malicious · 069c80a6d1da4285

MALICIOUS

PDF

42.5 KB Created: 2020-05-23 22:48:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: a7b27c203273eea67ff4f92d201c7540 SHA-1: fdfb614c852cacb534931ffae8a09fdcd26abafc SHA-256: 069c80a6d1da428518fc0751718f5fb73a0897042437e9439cc0017c951e3d75

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains a large number of embedded external links, a technique often used for SEO spam or to redirect users to malicious sites. The heuristic PDF_SEO_LINK_FARM specifically flags this behavior, indicating a potential attempt to distribute or host harmful content across numerous domains. While no scripts were directly extracted, the presence of numerous URLs suggests a redirection or download mechanism is in play.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 4

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.
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 http://themindfulsociologist.com/uploads/1/3/0/5/130543070/130543070.html#nilfgaard+witcher+3
- http://gringasfuriosas.com/uploads/1/3/1/6/131637483/6432354.pdf
- http://3mdesigns.biz/uploads/1/3/0/2/130272804/zupexomoja.pdf
- http://thoughtcoalitionhq.com/uploads/1/3/1/4/131405976/7676795.pdf
- http://cyber-scribble.com/uploads/1/3/0/3/130323211/sizazutejobu.pdf
- http://ostiacapital.com/uploads/1/3/1/8/131856135/petifexas.pdf
- http://curbsideherbs.com/uploads/1/3/0/3/130323163/butovixogimafaxiva.pdf
- http://unrepentantfoodie.com/uploads/1/3/0/4/130435556/85abf8e824657.pdf
- http://catholicclassicalschools.org/uploads/1/3/1/3/131398244/wegofololuzet-xobami-zojidifoxovifom-xosap.pdf
- http://curefundraiserevents.com/uploads/1/3/0/6/130605273/vaduwolofesapexa.pdf
- http://coladesing.com/uploads/1/3/1/4/131408432/8971287.pdf
- http://friendsofthebohemia.com/uploads/1/3/1/4/131453226/dukejuwavo.pdf
- http://spiritsistersdesigns.com/uploads/1/3/0/3/130323116/laxepa.pdf
- http://heatherraenorthway.com/uploads/1/3/0/5/130541743/1258725.pdf
- http://936-mulchin.net/uploads/1/3/1/1/131164021/728245.pdf
- http://elina-ja-aleksi.com/uploads/1/3/1/3/131381519/eb59c3d84.pdf
- http://mailserver.norfolkdreams.com/uploads/1/3/0/2/130287291/1ebeb6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007b0d.bin` `3022c92b5a888743605c7a342e4511bb722401d7123f2b12c40aacc1f18f4c23`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7B0D	10976 bytes

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