Malicious PDF — malware analysis report

Static analysis result for SHA-256 d985d5a6842f30fb…

MALICIOUS

PDF

70.4 KB Created: 2021-02-28 22:51:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: d74caf35b487f7a80937c1cace4300e9 SHA-1: 839da4e61967d5d884de9b69f42c5475d29c85f0 SHA-256: d985d5a6842f30fb62e408563db3d8a5ab973065e3cccb2c7504de46c65291f9
126 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
  • 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://dugedepap.ru/award?keyword=will+there+be+a+new+twilight+movie+in+2020 PDF link annotation
    • http://waniwidolo.66ghz.com/80321736487.pdfIn PDF document text
    • http://luwogexejel.getenjoyment.net/how_long_do_nimh_batteries_last_in_storage.pdfIn PDF document text
    • https://xinofebew.weebly.com/uploads/1/3/5/3/135305957/2449935.pdfIn PDF document text
    • https://mubuzetuwifo.weebly.com/uploads/1/3/4/7/134703000/wosiko.pdfIn PDF document text
    • http://janorewaxeno.mygamesonline.org/libro_metodologa_dela_investigacin_cientfica_dr._julio_piura.pdfIn PDF document text
    • http://djami.ru/jazogizevefadizoz5xol3.pdfIn PDF document text
    • http://dotixomovi.sportsontheweb.net/mesukodomugudivuxokovi.pdfIn PDF document text
    • http://ladidoxa.iblogger.org/taotao_50cc_scooter_battery_size.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4491945/normal_60074e2a27c9b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368488/normal_602eed05cde89.pdfIn PDF document text
    • https://fevuxutub.weebly.com/uploads/1/3/4/1/134131759/a877a64aef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427313/normal_600a18653fcd3.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402244/normal_602e730e0bd2c.pdfIn PDF document text
    • http://taxevidel.medianewsonline.com/mobility_scooter_battery_change.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411686/normal_5fdc7c562412c.pdfIn PDF document text
    • https://runogobikekeg.weebly.com/uploads/1/3/5/3/135350887/tuwotawutozi.pdfIn PDF document text
    • http://kusulapezep.iblogger.org/vudenagowusasezoxirin.pdfIn PDF document text
    • http://lixodamevurobar.mygamesonline.org/hornady_6.5_creedmoor_140gr_eld_match_load_data.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4415964/normal_5ffd5c9d9a0d0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476582/normal_5ff88f9b29583.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000d6e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6E9 5500 bytes
SHA-256: ec6962cace9600bf71a8bceb251db99f17e0dba32c8aa453a33798bb0eb2db54
font_01_sfnt_off0000e993.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE993 10264 bytes
SHA-256: ed1544e3b8fd834e8557d972f87c860128375f9b526c1aede0f0976678494891

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