Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ea04d26c9788f96…

MALICIOUS

PDF

72.6 KB Created: 2021-03-02 00:01:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: d241b3b3e82110b9d34438e861afe425 SHA-1: 442d05a5617b7127bc258a56ac12be7af4726b1f SHA-256: 7ea04d26c9788f965907641d7941f286b1c5ff1adbd22f622601cda659cdab8d
184 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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.
  • 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://dafemum.ru/wix?keyword=pokemon+insurgence+safari+zone+hidden+item In PDF document text
    • https://static.s123-cdn-static.com/uploads/4393889/normal_60037c7ae2841.pdfIn PDF document text
    • https://cdn.sqhk.co/rubogomuweme/a7iio5a/cartoon_craft_apk_latest.pdfIn PDF document text
    • https://cdn.sqhk.co/dexasubu/dp6Lgej/fowotetefadaxixol.pdfIn PDF document text
    • http://zerudomafiko.iblogger.org/the_zookeepers_wife_book_characters.pdfIn PDF document text
    • https://cdn.sqhk.co/zifeduwa/ggiiCFp/xilovo.pdfIn PDF document text
    • https://cdn.sqhk.co/govazofaj/ZgcJhfX/chargepoint_merger_reuters.pdfIn PDF document text
    • https://cdn.sqhk.co/kogoruzojif/sgesiJr/kexesenijigafasi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374847/normal_5fd62a03cb000.pdfIn PDF document text
    • http://pimuxiv.22web.org/catdog_meme_template.pdfIn PDF document text
    • http://tiwimifozukimu.medianewsonline.com/logedumipetobijitojan.pdfIn PDF document text
    • http://xazivigufimu.22web.org/free_traceable_sight_words_worksheets.pdfIn PDF document text
    • https://cdn.sqhk.co/dekawako/NgjM6hh/dubai_covid_cases_per_100_000.pdfIn PDF document text
    • http://zumanidoxup.medianewsonline.com/77455405420.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dolizanawuw.epizy.com/rejiropagugokuwufilisive.pdfIn PDF document text
    • http://raziwisubuza.rf.gd/concert_poster_template_psd_free.pdfIn PDF document text
    • http://midowuvebadol.rf.gd/xatodigofepinav.pdfIn PDF document text
    • http://wowutuzineko.myartsonline.com/change_12_m2_into_cm2.pdfIn PDF document text
    • http://luvotirapanuza.rf.gd/samsung_6300_dryer.pdfIn PDF document text
    • http://fenozenexow.epizy.com/jumimofafamaxuke.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_off0000e0d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D1 5516 bytes
SHA-256: c6f822c5dfd9435a15551397d9870ee3b06755bd9f5f0c36facf3fcc6657697e
font_01_sfnt_off0000f376.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF376 9888 bytes
SHA-256: 0e846076880ce63a8c0632bc1ce7a5a36c0c32dd395c0e4c54def9c115120ac0

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