Malicious PDF — malware analysis report

Static analysis result for SHA-256 60e9f1319e7b1eec…

MALICIOUS

PDF

80.4 KB Created: 2021-02-24 14:45:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: e8f86221cbf8749df5cc143eb62031c3 SHA-1: c6bdb3d579e2b187273467a4145f172c4e740fc9 SHA-256: 60e9f1319e7b1eec42b1312be34c8f21b47820f662d0a61c3ad36350787d66c8
154 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector infrastructure, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature. Although no scripts were extracted, the embedded URL and the nature of the heuristics suggest the document is designed to redirect users to malicious sites, likely for credential harvesting or further payload delivery.

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://yafferge.ru/strik?utm_term=shoretel+230+headset+button In PDF document text
    • http://damita.fun/pocket_rocket_bike_for_adultsroh9b.pdfIn PDF document text
    • http://chempion.coffee/what_is_project_zorgo_leader_namebg9mf.pdfIn PDF document text
    • http://omerkatanalp.com/boxejifakimipufotijawujuzmoo3.pdfIn PDF document text
    • http://hargotel.xyz/71189980719iirak.pdfIn PDF document text
    • http://vashe-zdorovie.xyz/37317176027qk18.pdfIn PDF document text
    • http://siankaanmexico.com/tuning_fork_sound_therapy_training_ukl174c.pdfIn PDF document text
    • http://fikodon.iblogger.org/pigamujojipeval.pdfIn PDF document text
    • http://stylecurtains.com/the_shackled_city_3._5oqd2o.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bafuxinasu.epizy.com/ruxusuwebasajenugomefes.pdfIn PDF document text
    • http://dijovomivuz.rf.gd/world_map_with_time_zones_free.pdfIn PDF document text
    • https://s3.amazonaws.com/kofabube/46108131889.pdfIn PDF document text
    • https://s3.amazonaws.com/vabedafozo/79056302457.pdfIn PDF document text
    • https://s3.amazonaws.com/lemerisinivum/toxuxer.pdfIn PDF document text
    • https://s3.amazonaws.com/bizamesuwepe/xovururovitukubumosadaje.pdfIn PDF document text
    • http://dizibabazuvuxu.rf.gd/73783453076.pdfIn PDF document text
    • https://s3.amazonaws.com/bepukuba/transition_words_for_high_school.pdfIn PDF document text
    • http://jiguluvosasibun.epizy.com/2025169647.pdfIn PDF document text
    • https://s3.amazonaws.com/tevomenil/20113622931.pdfIn PDF document text
    • https://s3.amazonaws.com/luramamelolem/why_is_the_brush_on_vacuum_not_spinning_shark.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_off0000fc5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC5D 5596 bytes
SHA-256: f62ee6c4b0afc02721f8af6bc9dc153917fd3775420d3858c76a1e2bcbca87ba
font_01_sfnt_off00010f45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F45 11032 bytes
SHA-256: c0825696168a2496f644c18a1149238499ad555c47dc8fbb37cd7730de3982c9

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