Malicious PDF — malware analysis report

Static analysis result for SHA-256 97349422a24985db…

MALICIOUS

PDF

72.6 KB Created: 2021-03-03 00:25:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 8a0ce0044563ecdc5f69f2433a4234e0 SHA-1: 6e5f17f06240c8bd51d5e70acf6ed1e24ed01c02 SHA-256: 97349422a24985dbd69e8e03beb089a45803bc9dcdca0c6d922800daf0dfb5d2
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://jottigo.ru/wix?keyword=honeywell+aquastat+l6006a+manual PDF link annotation
    • https://cdn.sqhk.co/penuvipaw/dggU5KN/cashier_3d_apk_mod.pdfIn PDF document text
    • https://cdn.sqhk.co/revujinarewu/9hgAAih/smart_launcher_5_vs_nova.pdfIn PDF document text
    • https://cdn.sqhk.co/gixenako/ghKdqgc/pause_challenge_remote_brent_rivera.pdfIn PDF document text
    • https://rupibofog.weebly.com/uploads/1/3/1/6/131607232/343dd0.pdfIn PDF document text
    • https://tuwagufo.weebly.com/uploads/1/3/3/9/133999840/kuzinute_belavepupozaw.pdfIn PDF document text
    • https://rowopubogapog.weebly.com/uploads/1/3/4/2/134234702/b75d9b3097d6b5.pdfIn PDF document text
    • https://negijozizur.weebly.com/uploads/1/3/0/7/130775009/9306637.pdfIn PDF document text
    • https://rupimobo.weebly.com/uploads/1/3/4/8/134891389/pofim.pdfIn PDF document text
    • https://cdn.sqhk.co/xipitufekaru/uifiiN6/48379264041.pdfIn PDF document text
    • https://tobevasisutigi.weebly.com/uploads/1/3/0/8/130814636/9352810.pdfIn PDF document text
    • https://cdn.sqhk.co/sidamebo/iaDCzic/mugedatubufaxijerudo.pdfIn PDF document text
    • https://cdn.sqhk.co/kawonidoza/TidMRgj/22894056748.pdfIn PDF document text
    • https://cdn.sqhk.co/remimidotomi/kuWKjhV/kitty_cat_story_cat_avatar_maker.pdfIn PDF document text
    • https://cdn.sqhk.co/worupageke/jbhdyrV/condado_vanderbilt_hotel_restaurants.pdfIn PDF document text
    • https://cdn.sqhk.co/zivuzigup/jgeggjd/forgotten_hill_memento_playground_walkthrough.pdfIn PDF document text
    • https://cdn.sqhk.co/delojiwuguj/8tRnEAB/city_of_warner_robins_tax_payments.pdfIn PDF document text
    • https://cdn.sqhk.co/gegefemorosu/hbDgiYd/1449441987.pdfIn PDF document text
    • https://cdn.sqhk.co/logulemuset/HDAv4hi/48449827724.pdfIn PDF document text
    • https://feloxoxux.weebly.com/uploads/1/3/4/0/134000485/vajuvefegisav.pdfIn PDF document text
    • https://sufudoni.weebly.com/uploads/1/3/4/8/134853368/binevokugagira_roretof_resowi.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_off0000df4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF4A 5312 bytes
SHA-256: 21c0e4b294b194c45494dae775f6254389c290782302376885d8018a663c4044
font_01_sfnt_off0000f162.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF162 10548 bytes
SHA-256: c2df9577b1bac471856d4bc3c0699ede4fd7fe944515c195cb0e7c24996b2b67

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