PDF malware analysis — malicious · 2f8347a0c70ace82

MALICIOUS

PDF

59.1 KB Created: 2020-12-03 20:47:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: c245b742bbeb4543d24b9cb8793c3e7d SHA-1: 6a69fdde05eca88b57d50cca3d98f68a92e84327 SHA-256: 2f8347a0c70ace82e71017ae0bd360838eef67574d170a1df3c4b47c8f6e3206

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 0.9996

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://trafficel.ru/123?utm_term=crossed+swords+pdf+download PDF link annotation
- https://static.s123-cdn-static.com/uploads/4365635/normal_5fc6e17aa1aff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371514/normal_5fa93d20d78d9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381971/normal_5fbe3cda38a4d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426682/normal_5f9d6ec3e9ad1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455194/normal_5fb263eea2ba8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370263/normal_5f9b5abb2ab09.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc0e727ea4a794d5645064f/t/5fc14a28173fb5383bd2079f/1606502956879/fusoleratuwogufase.pdfIn PDF document text
- https://s3.amazonaws.com/lanubili/primary_dysmenorrhoea_guidelines.pdfIn PDF document text
- https://s3.amazonaws.com/zakunafu/bl3_rough_rider_shield_amara.pdfIn PDF document text
- https://s3.amazonaws.com/zewimu/feed_us_3_unblocked.pdfIn PDF document text
- https://s3.amazonaws.com/jesidofefe/39197598446.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf39c3fdc31513a0ec56c/1606218653369/ibm_c-suite_study_2018.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_off0000abfc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xABFC	5032 bytes
SHA-256: `ff68586ce8ed00d1d7ac3effb5c3d62a4205cd14307ed5a6fd213eb81ae648ea`
`font_01_sfnt_off0000bd37.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xBD37	10092 bytes
SHA-256: `5a5911efb4489dfcc340dc8ec74fcd2a1dbc310591a9cb1f30554f2d93f22cf1`

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