Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1f1e87372e5ba20…

MALICIOUS

PDF

76.1 KB Created: 2021-02-24 11:01:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: e1516f49ac76a62ed1f92d8ff363ed7f SHA-1: 8a6e03b401cc77c18d1d732ac175e6fbaab7ce31 SHA-256: d1f1e87372e5ba20c6fb0a93dbf79d1ac8ef8e5fe9bf6efb04a2d140738323d5
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://baarspo.ru/wix?keyword=turbotax+discounts+2020 PDF link annotation
    • https://cdn.sqhk.co/duxadikoti/aja6Les/blue_book_construction_reviews.pdfIn PDF document text
    • https://monirazosakazux.weebly.com/uploads/1/3/5/3/135316997/loxafewutive-fesimigupotif-nebojese.pdfIn PDF document text
    • http://puliliraforuwu.22web.org/bonbon_cakery_apk_old_version.pdfIn PDF document text
    • https://cdn.sqhk.co/kajurineg/g2VQDpY/zen_garden_koi_fish.pdfIn PDF document text
    • https://gukejokofa.weebly.com/uploads/1/3/0/7/130739315/damotawowirak_dazedodinufigon_filekufigofag_felafalagas.pdfIn PDF document text
    • https://cdn.sqhk.co/fegojujor/8tia9pV/spiral_balloon_arch_prices.pdfIn PDF document text
    • https://besugadofozoxi.weebly.com/uploads/1/3/5/3/135396803/ab44bbaf9b9e.pdfIn PDF document text
    • https://bizonununifewe.weebly.com/uploads/1/3/4/7/134773553/39681615f266b.pdfIn PDF document text
    • https://cdn.sqhk.co/zutijujes/yoieYYH/marketing_mix_promotion_ppt.pdfIn PDF document text
    • https://cdn.sqhk.co/gepumenujeme/ihsfhaV/match_gun_3d_download.pdfIn PDF document text
    • https://tarebizadutobi.weebly.com/uploads/1/3/4/3/134310067/6988817.pdfIn PDF document text
    • https://sozobuxetezubu.weebly.com/uploads/1/3/4/5/134527793/burutemi.pdfIn PDF document text
    • https://banafazag.weebly.com/uploads/1/3/4/3/134325205/kapajalorinitanekisi.pdfIn PDF document text
    • https://wikagigodoxuf.weebly.com/uploads/1/3/2/8/132814929/zufikizofazoso-gigafotazo-fefiwetovofor-pilewolasen.pdfIn PDF document text
    • https://cdn.sqhk.co/golemejexeno/efheNja/the_roommate_agreement_free.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/wizidimawag/zenonia_5_guide_berserker.pdfIn PDF document text
    • https://s3.amazonaws.com/kudufigunabi/57906186324.pdfIn PDF document text
    • https://s3.amazonaws.com/tikofaketonub/75164686464.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

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_off0000edf0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDF0 5332 bytes
SHA-256: 02806c5705b2563e71cd36489102ce22469291a77de7195f0586775e14f09f94
font_01_sfnt_off0001001a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1001A 10428 bytes
SHA-256: 614d55ed675c4f32f63923625c2127d66907df78bdb1d34e16d7f27d5eeb00f8

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