PDF malware analysis — malicious · a454ebc488a8c9c2

MALICIOUS

PDF

68.1 KB Created: 2020-11-18 02:12:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 1f4ebbd73c5e051e2945c67f5221fa5a SHA-1: 1a18aa8d36deb9ef2fae40b2f330eed3999761a8 SHA-256: a454ebc488a8c9c291ed2dc8d378a1964d3c543191b17b30b8a8dad5d0993910

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URI pointing to a suspicious domain, trafffe.ru, which is likely used to host a phishing page or a second-stage payload. The PDF structure and embedded URLs suggest an attempt to trick users into visiting a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9996

Heuristics 4

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/strik?utm_term=revolution+yoga+acton
- https://fapezadedafax.weebly.com/uploads/1/3/4/6/134609176/fcb0203725df6b1.pdf
- https://rixokofumi.weebly.com/uploads/1/3/1/3/131380985/3208406.pdf
- https://cdn-cms.f-static.net/uploads/4495973/normal_5fb458753a35a.pdf
- https://cdn-cms.f-static.net/uploads/4470964/normal_5fa3a773d8486.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/b08fc029-978b-491a-a192-6178a03f055f/pidokimow.pdf
- https://s3.amazonaws.com/defujo/kp_formulary_list.pdf
- https://s3.amazonaws.com/gadumagabusodel/comparatives_in_spanish_worksheets.pdf
- https://s3.amazonaws.com/geradi/warrants_odessa_tx.pdf
- https://uploads.strikinglycdn.com/files/c4729600-9e41-411e-a599-cabc37f835f0/47059902798.pdf
- https://uploads.strikinglycdn.com/files/5a91648f-f90d-4168-b334-8446d3958599/dragon_city_hack_website.pdf
- https://s3.amazonaws.com/kigavanus/puxesutober.pdf
- https://s3.amazonaws.com/juliziwojatige/72824887412.pdf
- https://s3.amazonaws.com/bawalidamovidud/82118107148.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ac3d.bin` `e8dcad06921149feec749cf002d86790d1dd2ba2166ad44c585d55eebd6bedfb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAC3D	4744 bytes
`font_01_sfnt_off0000bc89.bin` `20ca1e23f11caf8d60f0b78a93d958bff34c0cbc5276b4349577c48ab4b4fec1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBC89	10672 bytes
`font_02_sfnt_off0000e082.bin` `39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE082	16092 bytes
`font_03_sfnt_off0000f549.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF549	4324 bytes

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