Malicious PDF — malware analysis report

Static analysis result for SHA-256 001d7c381e13650e…

MALICIOUS

PDF

71.7 KB Created: 2021-02-18 04:42:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 849de9ee616bea2355f3bf9cafe66a76 SHA-1: f742bfa26ce8bf3847b7a5a965cbc3d89f874469 SHA-256: 001d7c381e13650eb65bd3532aabe4eec383037b53e9d744a3ad09f8bdcd8f1e
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://druttle.ru/wix?keyword=lioden+breeding+guide PDF link annotation
    • https://xowitato.weebly.com/uploads/1/3/0/7/130776358/d7734f6246d6d0a.pdfIn PDF document text
    • http://mutodute.22web.org/wenarirasozimexiguki.pdfIn PDF document text
    • https://simisasokudu.weebly.com/uploads/1/3/4/2/134235492/tudebevotasebaso.pdfIn PDF document text
    • http://immortal-sho.club/autodesk_inventor_2018_and_engineering_graphicsfdjyq.pdfIn PDF document text
    • http://zalavsky.ru/tifexoszqfn7.pdfIn PDF document text
    • https://tojemiwavujiguv.weebly.com/uploads/1/3/4/4/134468879/4044256.pdfIn PDF document text
    • http://begdas.fun/how_long_to_become_elevator_technicianqmene.pdfIn PDF document text
    • https://koxabiwepa.weebly.com/uploads/1/3/4/3/134309970/zajobadapos-sukikoxakuf.pdfIn PDF document text
    • http://ebay-coupon.ru/employee_attendance_spreadsheet_templatelkirc.pdfIn PDF document text
    • http://yourbigdick.space/66932285204t11nj.pdfIn PDF document text
    • https://lufumapapolag.weebly.com/uploads/1/3/4/3/134353855/67877f4.pdfIn PDF document text
    • http://beach-fruit.fun/pinokoveleborizunefo4zxk.pdfIn PDF document text
    • https://jakuxilo.weebly.com/uploads/1/3/4/7/134711712/570bb524.pdfIn PDF document text
    • http://revadadijavu.22web.org/meant_to_be_song_bebe.pdfIn PDF document text
    • http://steelsho3.club/43079529089fm4uz.pdfIn PDF document text
    • https://sejusidanixaj.weebly.com/uploads/1/3/4/3/134374441/zakoranigivaga_kelepasiw_wexetitu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413374/normal_5fdb11890666e.pdfIn PDF document text
    • http://uscovidcharts.com/how_to_test_a_schumacher_battery_chargerh2yae.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rilulavonepuv.epizy.com/what_is_a_good_christmas_gift_for_boss.pdfIn PDF document text
    • http://jitelujojutomu.rf.gd/aa_serenity_prayer.pdfIn PDF document text
    • http://relumewamamit.rf.gd/application_form_for_child_passport_canada.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_off0000de06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE06 4656 bytes
SHA-256: 46feb18ee88d35eec6daa0d80ac01236138ec77cf8bf0b128cdc9d6c5d5d4abe
font_01_sfnt_off0000edec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDEC 10544 bytes
SHA-256: f472aee7070c320badb47ecc225e18d31b9535cc16fa0deaffa8fe05c151ee4c

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