Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd30209e41fb1537…

MALICIOUS

PDF

67.7 KB Created: 2020-12-17 11:36:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: 06eb2de28e4421d6ee7fedda6c71164d SHA-1: 11c1ea556ca8d27d52721e136dac3eb17544b83b SHA-256: dd30209e41fb1537e79f948280539e0fb2d8b050269a459c3a92c80529276511
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs to a suspicious domain, masquerading as a product manual. This URL is likely used to deliver a malicious payload or conduct phishing. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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://trafftec.ru/strik?utm_term=philips+sonicare+expertresults+7000+electric+toothbrush+manual PDF link annotation
    • https://mixekolasum.weebly.com/uploads/1/3/4/3/134388380/7357041.pdfIn PDF document text
    • https://guxesawaxogego.weebly.com/uploads/1/3/4/3/134314991/putererekolo.pdfIn PDF document text
    • https://pigogokeda.weebly.com/uploads/1/3/1/8/131857695/somulimezopomab-nolapuxoduvamak.pdfIn PDF document text
    • https://bavejojonosepes.weebly.com/uploads/1/3/1/3/131380601/nazibipedan.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/5fc284356609fd0ee79ba959/t/5fc727bcad3e6411924038ea/1606887358503/243_air_traffic_control_squadron.pdfIn PDF document text
    • https://s3.amazonaws.com/bizamesuwepe/barf_si_song_pagalworld.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/35bdf71a-81a9-436d-898b-6000a989e8bd/besajebinada.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e327aee1-1826-4247-b692-ed7c4cf5e22b/arroz_con_camarones_receta_puertorriquea.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a8194d24-b8ea-4462-883e-665052008ff6/rinatuponu.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.

FilenameKindSourceSize
font_00_sfnt_off0000ca93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCA93 5604 bytes
SHA-256: 38f0a96806ac8f03c432f5bda6aff60b2766c02fb06005b9736117b26741d3e6
font_01_sfnt_off0000dd7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD7F 10756 bytes
SHA-256: 7cec7273a31b21a0e18db04ffb784a2761e6afdd0f475a24842dad6a4555f8ed

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