PDF malware analysis — malicious · ce479f592f2a8cae

MALICIOUS

PDF

80.3 KB Created: 2021-07-13 22:06:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: fcee9c8475a02d0902076e1e0f76a386 SHA-1: 5e0a5a0e6d9d6e4810ce53bf83407196310d666e SHA-256: ce479f592f2a8caec1dd095e3534fbb9771dc52b400e40cb6d4c1fbc08b462d1

104 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. The presence of a visual download button and an embedded URI pointing to a URL related to 'clash of clans hack' suggests a social engineering lure to trick users into downloading a payload. The document body is heavily obfuscated and unreadable, providing no further context.

Machine Learning

Nyx PDF Classifier malicious score 0.8584

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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://feedproxy.google.com/~r/razvivatel/yapz/~3/gOBB6uaVNRA/square?utm_term=clash+of+clans+hack+version+unlimited
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60ec7185ad4a1a22a3e599c3/1626108293709/zafexevi.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60edde1e6d720f75fb609140/1626201630741/63483958662.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e8c7e4c3dba77ad335b1d0/1625868260668/first_and_second_cervical_vertebrae.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ed87b9c1f2f61945a4fa0f/1626179513299/51082958188.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec7032f89f8e700bf590f6/1626107954974/9491015008.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60edce81ad58ca03d2250071/1626197633965/city_of_ember_movie_online.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e7fdcad93aeb546a15dc6e/1625816522716/49397100490.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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d4fc.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD4FC	16792 bytes
`font_01_sfnt_off0000ed13.bin` `087f41004910d58bde0ab2d1e71c98fa215d716f6e098eeca2d3448c72dea383`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xED13	11032 bytes
`font_02_sfnt_off00010698.bin` `bbc2a2ef9ce2aa71082dfe2bd4c8c6e4d27edfec7df82cc564d966d634b22839`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10698	17180 bytes

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