Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0300644a63c98b7…

MALICIOUS

PDF

71.9 KB Created: 2021-03-04 18:16:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: bd40342017c7d1c4f6a1274726a9cdd2 SHA-1: d2fb0fc0648cea64840f63a1b4be52369548492f SHA-256: b0300644a63c98b76ac767a7666d476bd6d0f7366dfbec01d7c2f842e18c10e2
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://xajibur.ru/wix?keyword=the+book+of+celtic+symbols+pdf PDF link annotation
    • http://strongcreditscore.info/excellence_riviera_cancun_promo_codeh6tmb.pdfIn PDF document text
    • http://jedusajinud.mygamesonline.org/new_at_taco_bell_august_2020.pdfIn PDF document text
    • https://vipukawolatu.weebly.com/uploads/1/3/4/4/134486161/932e71ab7f2b72e.pdfIn PDF document text
    • https://kasitawudak.weebly.com/uploads/1/3/1/3/131380619/140e1ba96bc8.pdfIn PDF document text
    • http://zutatowatipo.mywebcommunity.org/jipowirije.pdfIn PDF document text
    • http://plusstore.pro/keteziqjj58.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/6e28b10c-46d0-480c-8d88-0b621d11ed53/laratakupuwe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4be42585-9e84-446c-877d-0657133b6bcb/77563578057.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/35dfa988-6733-4ae3-b486-80a9ea90e1a0/satetigid.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d94dc463-f376-4ef9-8c92-c94871179509/recommendation_letter_for_managerial_position.pdfIn PDF document text
    • http://futakanawus.onlinewebshop.net/ganamrutha_bodhini_sangeetha_bala_padam_english.pdfIn PDF document text
    • http://zatuvejamubolo.atwebpages.com/craftsman_professional_aluminum_motorcycle_atv_jack_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/59f44cea-1289-4292-832f-f47afa70cb70/62019287593.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1b72bb03-1e31-4f7d-b214-ab57da7874ac/38525610814.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12b8ccf2-8287-4c45-a2dc-67b4314ba9cc/vodonibasudefuxe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/75de6da8-9a9c-4518-9df0-20c5bbe3665f/omron_blood_pressure_monitor_model_hem-711ac.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/54359e66-bb95-44f2-a1db-b8a8c382c4f9/8330808276.pdfIn PDF document text
    • http://kosezofejesuxef.atwebpages.com/doferorexaselo.pdfIn PDF document text
    • http://paguxesij.myartsonline.com/nuladesimisopasogawazow.pdfIn PDF document text
    • http://gozenabuzixi.onlinewebshop.net/75178856733.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5158127c-65bc-458b-a392-52223a8ac433/author_john_c_maxwell_net_worth.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_off0000d043.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD043 5344 bytes
SHA-256: 5e571a62433a3f823b5c4f287cd2bba5f1727323201d3c0ac6245cba33a7b2c3
font_01_sfnt_off0000e25c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE25C 15220 bytes
SHA-256: b3543e1f0ecae6e52c12c4bcd07b6aec1604a23afd79cc51c6baf8f65b15b3b1

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