Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed6f9d27047122cd…

MALICIOUS

PDF

80.5 KB Created: 2021-05-21 03:59:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 7e0709719b0c69505896101d233c9880 SHA-1: c097fcb3eb2423df6f9b4c193fcbfe0fc81afb71 SHA-256: ed6f9d27047122cdca45c062a4e15112bcb9f4dba57dc514c14b990a0f1028bb
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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://botokaw.ru/strik?utm_term=cuales+son+los+alimentos+que+no+puede+comer+un+diabetico PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4382197/normal_6035148015490.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420034/normal_602230baae7cb.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414864/normal_5fce08f4a3dcd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450898/normal_60308cbce581e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427287/normal_5ffcad574f54b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386347/normal_5fea13e7d9588.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486772/normal_5fc9cc667dc91.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4468836/normal_5ff3f7309faf4.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/zaxefemebidaz/2000_jeep_tj_automatic_transmission_upgrade.pdfIn PDF document text
    • https://s3.amazonaws.com/vavebufevodutob/polarization_of_light_definition.pdfIn PDF document text
    • https://s3.amazonaws.com/bomupi/patele.pdfIn PDF document text
    • https://s3.amazonaws.com/tasufagijaremo/stock_market_holiday_today_india.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d2a76230-7c5a-470f-91d0-5d6f1bae719c/craftsman_315_table_saw_motor_mount.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f3f5aa7-f0b4-4227-8454-4a97a51d560e/how_to_prepare_for_pmp_exam.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC81 5388 bytes
SHA-256: 3ebf19ab2b441197842d43e22130f06f428fa67f72c2ae47d1a6a10dbbf3d183
font_01_sfnt_off0000feb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEB0 11940 bytes
SHA-256: 661f0c0d1846dc68b0cd6c3818ddb76c5f0a3b4e9c080647be3a856582423148
font_02_sfnt_off000124a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x124A1 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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