Malicious PDF — malware analysis report

Static analysis result for SHA-256 886f929cdedd319a…

MALICIOUS

PDF

73.2 KB Created: 2021-02-16 22:48:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: fcd5999ac2eedd55ca07acdd17346afb SHA-1: ce0d0bb8df02f982a96170111547b1fa85ba0729 SHA-256: 886f929cdedd319ac75bd92a184bfa35f850aa86b20afe5c5e71752d0bcf58b2
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://baarspo.ru/wix?keyword=yeh+hai+mohabbatein+27+november+2018+written+update PDF link annotation
    • https://murufirekitopu.weebly.com/uploads/1/3/1/8/131856476/jipuwobasisiz-lusarodis-tetofil.pdfIn PDF document text
    • https://zokilare.weebly.com/uploads/1/3/4/7/134767859/vulofuvunojiko.pdfIn PDF document text
    • https://momobalujinas.weebly.com/uploads/1/3/2/3/132303205/41a862.pdfIn PDF document text
    • http://zufemefuzubaje.iblogger.org/91169682034.pdfIn PDF document text
    • https://cdn.sqhk.co/gimexigerub/3CwtxWa/vintage_wallpapers_for_iphone_xr_cute.pdfIn PDF document text
    • https://jipunusib.weebly.com/uploads/1/3/0/8/130813609/e86dafc3.pdfIn PDF document text
    • https://cdn.sqhk.co/letijefa/ijhaidC/13673545762.pdfIn PDF document text
    • https://dojebuxepoviguf.weebly.com/uploads/1/3/1/4/131407435/wijulibakolupi_jasos_zajemenusope.pdfIn PDF document text
    • https://cdn.sqhk.co/minamojazi/S2ghdMH/play_4_in_a_row_free_online_multiplayer.pdfIn PDF document text
    • https://jomezafivawig.weebly.com/uploads/1/3/1/8/131856232/redotimemux.pdfIn PDF document text
    • https://giwemonuxir.weebly.com/uploads/1/3/0/7/130775654/mekufije_goxifase.pdfIn PDF document text
    • https://cdn.sqhk.co/dexavoba/JihhchZ/lily_s_garden_pregnancy_test.pdfIn PDF document text
    • https://jesipawuba.weebly.com/uploads/1/3/0/8/130874316/fisawuwif_sadepokuxil_banom.pdfIn PDF document text
    • https://xigolomo.weebly.com/uploads/1/3/4/4/134483438/b2af32b.pdfIn PDF document text
    • http://dokeximikeveved.iblogger.org/jasper_report_export_to_xlsx_example.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416802/normal_5fd6b2c884aaa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://mezezix.rf.gd/43532349143.pdfIn PDF document text
    • http://pagosunizuboroz.epizy.com/zotuwazamozujidebunijureb.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_off0000e50f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE50F 5844 bytes
SHA-256: dfa888f17c1ef18f6f6ef3d1320ec2f5e7fcc2f213258a76fa757413f252adf1
font_01_sfnt_off0000f8e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF8E5 8864 bytes
SHA-256: d939aacb1cc9ee30bfa62b72b57ee93d24206008e4e66d0be209f030cdd49022

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