PDF malware analysis — malicious · 47c69a3aba7ae1cc

MALICIOUS

PDF

64.1 KB Created: 2021-03-02 02:59:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23

MD5: b9d8cda04901788d9eb5b0bb009753ae SHA-1: 7cd9164978abd79827f7bc8c95bc4bd3be04e11a SHA-256: 47c69a3aba7ae1ccb23d9da749a192ba5521ab5e214433eba9ab4797d7bd0dbf

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URL pointing to a suspicious domain, which is likely used to host a malicious payload or redirect to a phishing site. The document body, though heavily obfuscated, suggests a lure related to a 'piping guide'. No scripts were extracted, but the PDF structure and embedded URI heuristic indicate a malicious intent to redirect the user.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

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://soxebez.ru/wix?keyword=the+piping+guide+part+1 PDF link annotation
- https://cdn.sqhk.co/guwuweri/Vjeigja/hd_video_game_wallpapers.pdfIn PDF document text
- https://cdn.sqhk.co/roretuduva/LVgdhcg/84587151135.pdfIn PDF document text
- https://cdn.sqhk.co/tevosenijosu/ie0hijb/game_hack_speed_hack_version.pdfIn PDF document text
- http://kirakexig.mypressonline.com/diary_of_a_wimpy_kid_rodrick_rules_book_summary.pdfIn PDF document text
- http://zonizubiro.getenjoyment.net/vapepaduxakefutaza.pdfIn PDF document text
- https://cdn.sqhk.co/mewedenemez/icjABc2/24456687031.pdfIn PDF document text
- http://lorewipa.scienceontheweb.net/51742440689.pdfIn PDF document text
- http://beduzevitugok.mypressonline.com/the_mystery_of_the_missing_red_mitten_activities.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/voxulija/16969779854.pdfIn PDF document text
- https://s3.amazonaws.com/zepifudoxapo/73276295731.pdfIn PDF document text
- https://s3.amazonaws.com/loxopudizus/tafadipi.pdfIn PDF document text
- https://s3.amazonaws.com/legapatatezisa/android_developer_console_play.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c081.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC081	5012 bytes
SHA-256: `cc2942491fa0cd93c3794b1cf1316170c72d0578ff1a3684c741cc2cad785ab7`
`font_01_sfnt_off0000d18b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD18B	9992 bytes
SHA-256: `ed5501d58b40d92ad8eed6ae3392ed1338b4721489aa1a57b8047bb144eeef6c`

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