Malicious PDF — malware analysis report

Static analysis result for SHA-256 02a2cc874aa4c79e…

MALICIOUS

PDF

81.2 KB Created: 2021-03-10 21:54:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-17
MD5: b9490f58c48dec0bec3f54e3faf0cf12 SHA-1: 19674a4505b395f8429ba6d2ba687346c6acc13b SHA-256: 02a2cc874aa4c79e4c4443e0257d2d3d75629b194f42a6a691a0b692e4f76006
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://bologen.ru/award?keyword=canvas+business+model+book+pdf PDF link annotation
    • https://cdn.sqhk.co/vopokemib/dhhdRoR/order_and_chaos_duels_hack_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/pujixefan/iiJKEOA/zuzarewugiduxufidum.pdfIn PDF document text
    • https://repositugi.weebly.com/uploads/1/3/0/7/130738607/finuza-luredosugorivas.pdfIn PDF document text
    • https://vimititop.weebly.com/uploads/1/3/4/3/134339659/mosom.pdfIn PDF document text
    • http://zuropofi.22web.org/tusonub.pdfIn PDF document text
    • https://magagitu.weebly.com/uploads/1/3/5/9/135959352/6044277.pdfIn PDF document text
    • http://datidiveke.iblogger.org/dadawokojaja.pdfIn PDF document text
    • https://xoxigukot.weebly.com/uploads/1/3/4/8/134861038/0953d.pdfIn PDF document text
    • https://cdn.sqhk.co/teposodigar/Chiplhe/islands_of_adventure_rides_list.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pidulenumasan.epizy.com/dixie_chopper_blackhawk_hp_parts.pdfIn PDF document text
    • https://e691ad07-92dc-45fa-af10-8929b4045ede.filesusr.com/ugd/87b9a8_26977b04aea14da98b484b6a343625db.pdf?index=trueIn PDF document text
    • https://3857ddc0-2b33-46ba-b4a8-ebef9b167687.filesusr.com/ugd/5cc0d5_65fc42b27fda49bd9ceada43c33ac275.pdf?index=trueIn PDF document text
    • https://d4078116-a2d5-466f-97e6-20d899f6ca30.filesusr.com/ugd/576447_e1f7f4ff2af84e27a2265bf08b8f506a.pdf?index=trueIn PDF document text
    • http://wodagewuxaver.rf.gd/nujemabesazelonowivem.pdfIn PDF document text
    • http://mukovixajetunex.epizy.com/idiot_s_guide_to_fantasy_football.pdfIn PDF document text
    • https://b1c30c75-ab46-439a-884d-3836ae4b8a49.filesusr.com/ugd/2d1648_56ecec75af0e4b87b1661b313499cf84.pdf?index=trueIn PDF document text
    • https://ad9e3d1f-bb22-46ca-892e-b6aa3325a756.filesusr.com/ugd/837d34_f5e1c09dbad943888a5f06695052366a.pdf?index=trueIn PDF document text
    • https://315736c7-1030-4200-8d24-05c9f4951019.filesusr.com/ugd/d19ca0_c0c3ea87f7074722b0383b6ef6cf9d6d.pdf?index=trueIn 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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000102b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102B4 5260 bytes
SHA-256: a77dab86b7175a25d8f80a57e09b9314dc70971c0cc19c78917d115a4b96c696
font_01_sfnt_off00011487.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11487 10368 bytes
SHA-256: 0ef2e19738f2e64a48266bc3be455d176389179b2eb12f5d17a8b95950f0029a

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