PDF malware analysis — malicious · a612f9a3fb9ce236

MALICIOUS

PDF

79.2 KB Created: 2021-02-26 12:53:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: fcf180b2d46bca857342a001435eb19a SHA-1: d46d9717d20504b3f88331089cb419d4f101123e SHA-256: a612f9a3fb9ce2361287884ca3aa5987e759ed3145a442020f45349d7da9fa11

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

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://baarspo.ru/strik?utm_term=cuisinart+cbk110+bread+maker+reviews PDF link annotation
- https://cdn-cms.f-static.net/uploads/4387716/normal_602c8b7cee9dd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4487662/normal_6001f69e43ba4.pdfIn PDF document text
- https://cdn.sqhk.co/fabozesemi/daT2oBB/zombie_nerf_war_games.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455380/normal_6006fe81767c4.pdfIn PDF document text
- https://cdn.sqhk.co/wapevenupu/Qvejc5N/pidifobube.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413465/normal_6028241beb9dd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427526/normal_5feb4cc006284.pdfIn PDF document text
- http://vagijuderotogur.22web.org/bangalore_current_weather_report.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370286/normal_5fde3c206b201.pdfIn PDF document text
- https://cdn.sqhk.co/vuwipabobatu/Hthckjj/24690712410.pdfIn PDF document text
- http://pabesubibo.66ghz.com/43205315390.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zunuwovadete.epizy.com/addictive_drums_mac_free.pdfIn PDF document text
- http://kopuperoki.epizy.com/73840389781.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_off0000f6f7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF6F7	5508 bytes
SHA-256: `1e6321f6d88e201b41bb63d6b05d42c2357a31f47f553f3ab5e6cfcfc1ffd6e6`
`font_01_sfnt_off000109b0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x109B0	11308 bytes
SHA-256: `66073780cfca9e6da7b3fe303f9516ebe334bec2dd364381b2abe56264d9fa1b`

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