PDF malware analysis — malicious · aed8d3c5cdad7176

MALICIOUS

PDF

71.5 KB Created: 2021-02-12 17:50:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 3ac3a5417c75498fba139eeffb1a3429 SHA-1: d1a681ebc4cedc09bbfe66b5d8f2a01341380467 SHA-256: aed8d3c5cdad717617ba56ebf1c6e19531c28d063a42cec4cc9f169a99b1248a

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains an embedded URI that redirects to a suspicious domain, likely for phishing or malware distribution. ClamAV detection and ML classification strongly indicate malicious intent. The document body, though heavily obfuscated, suggests a lure related to 'support' or a specific topic, aiming to trick the user into visiting the malicious URL.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://druttle.ru/123?utm_term=poppy+mobafire+support PDF link annotation
- https://cdn.sqhk.co/nejijilo/Ngijfie/arcade_fire_everything_now_album.pdfIn PDF document text
- https://cdn.sqhk.co/naveropifo/ifhiDgg/gogo_live_tv_not_working.pdfIn PDF document text
- http://helpcenter.business/tejipuloxub7md56.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486356/normal_6013a57e2c50d.pdfIn PDF document text
- https://cdn.sqhk.co/pulafefer/rjcjien/3429706064.pdfIn PDF document text
- https://cdn.sqhk.co/sejiragidu/utyhcic/legion_td_warcraft_3_map.pdfIn PDF document text
- https://cdn.sqhk.co/sawibevas/J4jagio/juvenes.pdfIn PDF document text
- http://foyou.store/zumutesadavikogogalizalrbl91.pdfIn PDF document text
- http://youla-24.cc/monsters_inc_explaining_meme_templatehryu2.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/megulu/37986574310.pdfIn PDF document text
- https://s3.amazonaws.com/remavuj/difference_of_cdf_and.pdfIn PDF document text
- https://s3.amazonaws.com/loneminovu/call_recorder_pro_mod_apk.pdfIn PDF document text
- https://s3.amazonaws.com/tezofuretejom/lalizuwoladifubire.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_off0000d8d4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD8D4	5260 bytes
SHA-256: `1626536f3e056dc36e73c7cd2b6e08a79152ef900238352cda7a62c0191e53d6`
`font_01_sfnt_off0000eaa0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEAA0	11440 bytes
SHA-256: `adde69c9271f7ec3fd70dd09191d172641a3ac19179617909fe68b512003f7f3`

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