Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c094de0b7593b18…

MALICIOUS

PDF

73.2 KB Created: 2021-03-06 15:09:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 6f155af8dd34ec8f298227af81c952c0 SHA-1: 71970d3874266d62bee42b8423b75fe54ac1f6ba SHA-256: 2c094de0b7593b18046f83b628ee8c4a7abb68e54c74074d8af3257215ae2feb
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • 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 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://xezojetit.ru/wix?keyword=regions+of+georgia+state PDF link annotation
    • https://sodujamewo.weebly.com/uploads/1/3/4/7/134750465/5413b69a472f.pdfIn PDF document text
    • https://jileninaniwepuz.weebly.com/uploads/1/3/4/7/134771173/vikisulovirunosaw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482648/normal_602587d4aa96c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446496/normal_603de7a097f9f.pdfIn PDF document text
    • https://gupamawuma.weebly.com/uploads/1/3/4/6/134602371/butox.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/94648b88-a335-4222-b8f6-480bd46cab4e/food_safety_auditor_jobs_arizona.pdfIn PDF document text
    • https://s3.amazonaws.com/dovulavavo/36844875134.pdfIn PDF document text
    • http://gemawinikifiv.myartsonline.com/can_i_clean_keurig_with_white_vinegar.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ec21190d-fd41-4c0d-bce4-ad63472b580c/why_is_my_iphone_hotspot_not_giving_internet.pdfIn PDF document text
    • https://s3.amazonaws.com/vabemavuputenif/20661167469.pdfIn PDF document text
    • http://jowokepo.atwebpages.com/ar_15_scope_vs_iron_sights.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0f264bce-8b62-4e04-b16c-90cc77f8a2c4/why_wont_my_husqvarna_chainsaw_start.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/419350c2-2b80-4f2f-bacf-a18f0c640ced/71271415176.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b02a6247-6ccf-4e9e-aace-997b3131d965/bolinenubotobosege.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d1746cb2-8620-4d3e-b500-bb8a4939e95f/calories_in_large_dunkin_donuts_iced_coffee_with_skim_milk.pdfIn PDF document text
    • https://s3.amazonaws.com/dekogamik/7170473090.pdfIn PDF document text
    • https://s3.amazonaws.com/xetasif/sentence_structure_definition_linguistics.pdfIn PDF document text
    • https://s3.amazonaws.com/kijelopazekune/jenifubupizovuf.pdfIn PDF document text
    • http://doriponesarom.myartsonline.com/netgear_wgr614v9_reset_button.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1cf85501-a6dd-4896-a43f-cc3eeaf8879c/ea_sports_ufc_2014_pc_download.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_off0000e1b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1B5 4908 bytes
SHA-256: d1a01a895f82939a45012fd35fc0d7bf05eda4e3160e157487913dee7d1bfc2b
font_01_sfnt_off0000f282.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF282 10472 bytes
SHA-256: 904d8c7ef49aa478329496e4e5572116b48f76da2c04ca488e17cd72cf790f35

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