Malicious PDF — malware analysis report

Static analysis result for SHA-256 95552329f7c9d030…

MALICIOUS

PDF

89.8 KB Created: 2021-02-24 16:40:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-29
MD5: e9ac99e5ed300d1ea2f0533c69ca6b81 SHA-1: b0861bbe08f7fa9877b8ba0270ded81276436289 SHA-256: 95552329f7c9d0303c7946504301029a5e3832d447a5962bccf75bf17b589a6e
126 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, with a primary lure related to 'speed queen repair videos' pointing to a suspicious domain. The PDF's structure and the presence of external links suggest it's designed to redirect users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://bologen.ru/strik?utm_term=speed+queen+repair+videos PDF link annotation
    • https://cdn.sqhk.co/kavonalitego/4icsiej/rent_carpet_cleaner_home_depot_reviews.pdfIn PDF document text
    • https://cdn.sqhk.co/jisepozidis/ggBdicm/singing_bowl_sound_meditation.pdfIn PDF document text
    • http://kenugizi.getenjoyment.net/quantum_field_theory_demystified_free_download.pdfIn PDF document text
    • http://nuloriwilorij.scienceontheweb.net/rizisorutijuneligo.pdfIn PDF document text
    • https://cdn.sqhk.co/feketukadoz/gdIHgjM/amazon_seller_app_store.pdfIn PDF document text
    • http://ekzo-fruit.ru/cold_calling_email_templateshf83y.pdfIn PDF document text
    • https://cdn.sqhk.co/gizoxemovefi/jfmjhNe/36061282282.pdfIn PDF document text
    • https://cdn.sqhk.co/xevowuto/mhjA98d/dibasic_calcium_phosphate_anhydrous_ep_monograph.pdfIn PDF document text
    • http://zaxevef.getenjoyment.net/zaloganirinenivebanarow.pdfIn PDF document text
    • http://raxejudesezix.scienceontheweb.net/telewo.pdfIn PDF document text
    • http://rasezatoxefu.mygamesonline.org/47883124303.pdfIn PDF document text
    • http://sevagawos.getenjoyment.net/the_colour_of_magic_book_download.pdfIn PDF document text
    • https://cdn.sqhk.co/tononapiwaso/jiJuRM3/nowimakolosuxasavazaxoza.pdfIn PDF document text
    • https://cdn.sqhk.co/gonolesuzam/iQjjMzq/charm_kings_full_movie.pdfIn PDF document text
    • https://cdn.sqhk.co/simizekovogi/uhfgjZs/42749661209.pdfIn PDF document text
    • https://cdn.sqhk.co/kataregulu/TuijOhb/17935795257.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mebexadesojixip.rf.gd/katizaboje.pdfIn PDF document text
    • http://godidab.epizy.com/kugotesuf.pdfIn PDF document text
    • http://turegipamikum.epizy.com/craftsman_25cc_weed_eater_parts.pdfIn PDF document text
    • http://gonesolipekivin.rf.gd/losor.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_off000117f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x117F1 2940 bytes
SHA-256: 5205dc029b2d4b0ae44ddd8c96d056e1801b9f6b3c115db4e44038fa36e83b83
font_01_sfnt_off0001227d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1227D 5208 bytes
SHA-256: 32c0791849bef68c1b0ebd7e288feb82fd7422750f598ba6ff3fae27302c10f1
font_02_sfnt_off00013442.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13442 10948 bytes
SHA-256: b8232ee8f09d94130a36d24ab7e662199f17697876caa55a02794cf5a871d8eb

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