PDF malware analysis — malicious · 002e1c914fcd90b5

MALICIOUS

PDF

72.4 KB Created: 2020-11-01 06:27:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: f76bf20a6843dc57fb4074f898bf4f82 SHA-1: d79eb32fbf61b22c5141ef6fc9e8acbb5cdf6094 SHA-256: 002e1c914fcd90b5946680f389d5a63da059549ca0e6275a52df4fb49ad90fc5

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure related to a news article. The presence of numerous external links suggests an attempt to generate traffic or distribute further malicious content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
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://ggtraff.ru/123?keyword=cnn+10+february+7+2020
- https://cdn-cms.f-static.net/uploads/4418570/normal_5f98446246faf.pdf
- https://wepugimi.weebly.com/uploads/1/3/1/0/131070973/jupigimovizatal.pdf
- https://cdn-cms.f-static.net/uploads/4367005/normal_5f9c1d4c6428c.pdf
- https://cdn-cms.f-static.net/uploads/4383703/normal_5f93c5dc22ad2.pdf
- https://xilorufanil.weebly.com/uploads/1/3/0/7/130739938/xawopot_jakazorogeler_kumowivitigoku_zeketesu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0507/0274/5779/files/6644251891.pdf
- https://uploads.strikinglycdn.com/files/d40c96fd-0575-4b74-9dd8-b0ac3209bfea/audi_a7_owners_manual_2012.pdf
- https://s3.amazonaws.com/tugumeb/31176555939.pdf
- https://s3.amazonaws.com/jijumupade/root_booster_pro_apk_cracked.pdf
- https://s3.amazonaws.com/zonivezada/wesopixanupigepewomexarev.pdf
- https://s3.amazonaws.com/pisik/65902303351.pdf
- https://s3.amazonaws.com/radaruropivoje/muzonurapedid.pdf
- https://cdn.shopify.com/s/files/1/0496/2959/3753/files/29861913753.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_off0000dd0e.bin` `a86ec7c9e9152f7b6a67fe84c31c3a96ae07fe332324e889dc9a5761747cb540`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDD0E	5104 bytes
`font_01_sfnt_off0000ee8e.bin` `86169a5e976ca1fcb4b530030a2fe43c9c2d70dddbd0e614fee8abad9fb7eb6c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE8E	11524 bytes

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