PDF malware analysis — malicious · 1469825fd4e3c06e

MALICIOUS

PDF

79.5 KB Created: 2021-05-24 11:11:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4969f1cab89f3baa8e96f00e1af6265c SHA-1: 95beb92996773bc563473230165cf1a43b1d1958 SHA-256: 1469825fd4e3c06e886edecbb35c090b2ad30f80918f0ab748a9e1749001ca22

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link farm and a lure related to obtaining free in-game coins, indicating a phishing or scam attempt. The presence of numerous external links, including a link farm, suggests an effort to distribute malicious content or engage in SEO manipulation for malicious purposes. ClamAV and ML classifiers also flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9994

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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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://jacksth.ru/strik?utm_term=how+to+get+free+krunker+coins
- https://vutadatibanol.weebly.com/uploads/1/3/4/8/134883393/bf7639feee.pdf
- https://lixubirenolona.weebly.com/uploads/1/3/4/6/134669397/6823378.pdf
- https://weranatowo.weebly.com/uploads/1/3/1/4/131408071/bomepakogisa.pdf
- https://dipedupaketi.weebly.com/uploads/1/3/4/3/134333799/jasavezimob.pdf
- https://wusafasugulub.weebly.com/uploads/1/3/4/5/134586051/5741168.pdf
- https://wezefumuge.weebly.com/uploads/1/3/4/6/134614004/vedazaguxalutixu.pdf
- https://womegirig.weebly.com/uploads/1/3/4/5/134506381/1cc043a6.pdf
- https://panusefebile.weebly.com/uploads/1/3/5/3/135331690/8211005.pdf
- https://fofirajajamide.weebly.com/uploads/1/3/4/6/134643930/togokigap_tumum.pdf
- https://fiwobezamarevev.weebly.com/uploads/1/3/2/7/132740324/c0cee843c8b61a.pdf
- https://zojegidaluvimov.weebly.com/uploads/1/3/4/1/134109086/zifigilu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/dazovosugev/77610744759.pdf
- https://s3.amazonaws.com/xopugup/41803289601.pdf
- https://s3.amazonaws.com/sobaketemu/play_store_app_jio_phone_keypad.pdf
- https://s3.amazonaws.com/regufojalojaza/a-_gps_android_app.pdf
- https://s3.amazonaws.com/vizegemawokaxe/keratosis_seboroik_adalah.pdf
- https://s3.amazonaws.com/warapagefasovi/95546803461.pdf
- https://s3.amazonaws.com/vonuxagupeduze/lusavuxinuzumuvuf.pdf
- https://s3.amazonaws.com/xotomisen/fuxupipisuxifitigikanize.pdf
- https://s3.amazonaws.com/robumuduluwise/2831603136.pdf
- https://s3.amazonaws.com/bezegoluzose/the_lying_game_season_2.pdf
- https://s3.amazonaws.com/seriposuj/13660791047.pdf
- https://s3.amazonaws.com/pasawexawinogad/57171179091.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_off0000fb32.bin` `67ac1d51169d71f32d02b9a46cb5224a26dff4f366d20900f5de00265ac94bc1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFB32	4924 bytes
`font_01_sfnt_off00010c29.bin` `aa91a9ceaf88950181063954ad617a671f79f384aaefd125c18b1b027636d66d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10C29	10628 bytes

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