Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcfd9b05b1d9e670…

MALICIOUS

PDF

70.0 KB Created: 2021-02-23 11:48:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 16518449a1e00eb871f897519e53a278 SHA-1: 692c647e129588cb88473fa21a22b7112e0654be SHA-256: fcfd9b05b1d9e670eeb6dd862c9c471cf3db30af65e6fffb2e9b8f59aface220
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
  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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=daily+blessings+book PDF link annotation
    • http://jotijitod.66ghz.com/depobo.pdfIn PDF document text
    • http://2gusevshop.space/36790007969jbavp.pdfIn PDF document text
    • http://koreanluxe.com/94038533980zza49.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413866/normal_5fe623c156b30.pdfIn PDF document text
    • http://golosa-spasibo.ru/grass_mower_service_near_mezeitc.pdfIn PDF document text
    • https://wanowozuvigamo.weebly.com/uploads/1/3/0/7/130738859/25ff439bc.pdfIn PDF document text
    • https://napolapivu.weebly.com/uploads/1/3/5/3/135303388/1d8f7af801.pdfIn PDF document text
    • http://meetporte.xyz/ankush_raja_new_videoenarc.pdfIn PDF document text
    • http://discout.online/tuwagitowedodosorolol095ds.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483365/normal_6021818fd901f.pdfIn PDF document text
    • http://fitnesspack.net/19625257197jyl2n.pdfIn PDF document text
    • https://muwemobivom.weebly.com/uploads/1/3/0/7/130776082/botezelawasipetug.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447663/normal_5feb0973ee8ae.pdfIn PDF document text
    • http://prizinsta365.website/lamborghini_papercraft_pdoqnvqp.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461777/normal_602a57e91ffb6.pdfIn PDF document text
    • http://zalavsky.ru/biology_letters_formatinorz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388413/normal_600ed1dc5db8a.pdfIn PDF document text
    • https://misefumod.weebly.com/uploads/1/3/2/6/132680918/kotoluxatojegejukir.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nimozan.epizy.com/patd_this_is_gospel_piano_sheet_music.pdfIn PDF document text
    • http://nuzavaxevarap.epizy.com/33580366156.pdfIn PDF document text
    • http://kapejuw.epizy.com/eduardo_costa_a_carta.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_off0000d5de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5DE 5060 bytes
SHA-256: a86a23c498f482330122c6e817b2b56de3e89bbdd19f3cc3d89094d7a22083cd
font_01_sfnt_off0000e73f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE73F 10344 bytes
SHA-256: cf9fb5967d7bdc1ee9bba9054855d8fb6b56a4ffdc70fc013264fec2f4091209

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