Malicious PDF — malware analysis report

Static analysis result for SHA-256 2036cd8199fee53a…

MALICIOUS

PDF

68.5 KB Created: 2021-03-05 00:22:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: de32d2221655f0908dc6d7b6f5ab4e57 SHA-1: f9e0fe99ee5c8de860dbf852c43b43fc486ab71e SHA-256: 2036cd8199fee53a96c63d2022ae269ea63d25d4ba40372df7ca949172c60570
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://lozipotod.ru/wix?keyword=clean+gifs+funny PDF link annotation
    • https://ruzopujiwinor.weebly.com/uploads/1/3/1/4/131452977/fukaw.pdfIn PDF document text
    • https://fomoxejuj.weebly.com/uploads/1/3/4/0/134000143/zawodufomifulitemot.pdfIn PDF document text
    • https://cdn.sqhk.co/relulapezele/bdxhfgg/words_with_b_r_i_d_l_e.pdfIn PDF document text
    • https://cdn.sqhk.co/bipuzojafa/qijdhfP/dungeon_knight_vr.pdfIn PDF document text
    • https://gidepezugubuwo.weebly.com/uploads/1/3/4/7/134766768/xoriteg.pdfIn PDF document text
    • http://lirinevewafa.mypressonline.com/fatosefufesezosuli.pdfIn PDF document text
    • https://cdn.sqhk.co/nodujugebi/ghhiOif/lewarerupigija.pdfIn PDF document text
    • https://cdn.sqhk.co/jimikafede/tiigfMU/residual_value_formula.pdfIn PDF document text
    • https://melonugijiroduk.weebly.com/uploads/1/3/5/3/135325977/wuxenonarewaka.pdfIn PDF document text
    • http://wewogokuwidu.mywebcommunity.org/rebizu.pdfIn PDF document text
    • https://cdn.sqhk.co/tuxonewebuke/IibHWsz/wavutiwilokibif.pdfIn PDF document text
    • https://gipofomodofomew.weebly.com/uploads/1/3/2/3/132303323/majukegabokimile.pdfIn PDF document text
    • https://cdn.sqhk.co/sozimelizak/gmFvTL4/35048926194.pdfIn PDF document text
    • https://fisokupavunimi.weebly.com/uploads/1/3/4/4/134469682/pekezodedape_fuwefapalo_jovanujimovuvu.pdfIn PDF document text
    • https://sebipujo.weebly.com/uploads/1/3/5/2/135294987/8929258.pdfIn PDF document text
    • https://cdn.sqhk.co/tufuboloruj/d4igJjb/70153956512.pdfIn PDF document text
    • https://cdn.sqhk.co/tenotitur/eMijihI/98435478849.pdfIn PDF document text
    • https://vomoxolakixirum.weebly.com/uploads/1/3/1/4/131438067/fdd240dc.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://b6c9d0de-81a1-4db9-ab7d-8a95af9e63d6.filesusr.com/ugd/b28ae2_22034b0759ca46d286342bab88754a8d.pdf?index=trueIn PDF document text
    • https://cb70cc59-2297-49c3-b7e2-2ac7e26e28d4.filesusr.com/ugd/4479ed_f4681dcac8cb49c3b459c8dbeb06151f.pdf?index=trueIn PDF document text
    • https://327bbe42-9aa5-4ca0-80e5-6c9857058a26.filesusr.com/ugd/2b870b_870292f3bce04160b92a43dc417f4ccb.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d30d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD30D 4844 bytes
SHA-256: 946b22de4c5868c6a008e4125a4aebf8e8bb37c90937d53f8153087f04be4c67
font_01_sfnt_off0000e3ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3AC 9740 bytes
SHA-256: b5c246505ebce9e4483dd3b5e0a41a37fe03463a28b030f29ad457f3d79a5a6c

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