Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c1eda9fabccafcf…

MALICIOUS

PDF

75.4 KB Created: 2021-03-25 00:36:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 5f07b13809ecb588fbf2f72b7ca8aa5f SHA-1: 714877f7e24c0f8c182cf7ca19e2a6635f14c9a0 SHA-256: 3c1eda9fabccafcf2fcaf737c04c69835e25f29c8acd7dcec51e00a302930513
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating it is likely a phishing or malware distribution lure. The document body, though malformed, contains text suggesting it is disguised as a movie search result, directing users to external URLs. The PDF_SEO_LINK_FARM heuristic indicates the presence of numerous external links, likely intended to lead victims to malicious sites for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 5

  • 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.
  • 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://gimoguvi.ru/strik?utm_term=los+amantes+del+circulo+polar+pelicula+completa+pelispedia PDF link annotation
    • https://fimozafovobas.weebly.com/uploads/1/3/2/7/132741130/b41165ae.pdfIn PDF document text
    • http://bizifawidipegib.iblogger.org/48947781061.pdfIn PDF document text
    • https://pujuwofox.weebly.com/uploads/1/3/4/8/134882524/9451640.pdfIn PDF document text
    • https://cdn.sqhk.co/kixikeli/gpnjji7/94958021855.pdfIn PDF document text
    • https://durabaseduxoj.weebly.com/uploads/1/3/4/2/134235759/mewunab_tetovukoxewaf_lutufil.pdfIn PDF document text
    • https://kagukemo.weebly.com/uploads/1/3/4/8/134884413/5695963.pdfIn PDF document text
    • https://daradila.weebly.com/uploads/1/3/1/4/131438164/1750289.pdfIn PDF document text
    • https://sivipekuz.weebly.com/uploads/1/3/4/5/134596285/fapulet.pdfIn PDF document text
    • https://lukikezifad.weebly.com/uploads/1/3/4/7/134756415/c5c19f3f1.pdfIn PDF document text
    • https://cdn.sqhk.co/fumodolanes/uBq2Tjj/wekilusinibejelasamu.pdfIn PDF document text
    • http://mesutilixuta.sportsontheweb.net/presidents_during_the_republic_of_texas_tended_to_coalesce_around.pdfIn PDF document text
    • https://ladetizor.weebly.com/uploads/1/3/4/7/134731735/69c28a2f3f5aa3.pdfIn PDF document text
    • https://mexobuvuxe.weebly.com/uploads/1/3/4/3/134369937/tizepaper.pdfIn PDF document text
    • http://wajobok.iblogger.org/how_to_answer_willingness_to_relocate.pdfIn PDF document text
    • https://cdn.sqhk.co/rufazodaxu/clpUigM/ruponovalivilusudejatamo.pdfIn PDF document text
    • http://risimog.mywebcommunity.org/ziduwopexamokok.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/bufexa/2018_ford_mustang_ecoboost_0-60_time.pdfIn PDF document text
    • https://s3.amazonaws.com/tetenifeme/did_a_black_man_invent_the_cell_phone.pdfIn PDF document text
    • https://s3.amazonaws.com/pokorevalaxex/rusujutisaxijibupubafikuw.pdfIn PDF document text
    • http://foburug.rf.gd/enthalpy_diagram_for_combustion_of_methane.pdfIn PDF document text
    • https://s3.amazonaws.com/moduxanakuri/avast_internet_security_offline_installer.pdfIn PDF document text
    • http://nukivamo.myartsonline.com/astatic_pdc1_swr_meter_instructions.pdfIn PDF document text
    • http://zatunikepozis.epizy.com/arterial_line_waveform_pulse_pressure_variation.pdfIn PDF document text
    • http://tokozod.myartsonline.com/39996025621.pdfIn PDF document text
    • https://s3.amazonaws.com/wujodibu/gutorufo.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_off0000e6e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6E5 5160 bytes
SHA-256: d5c1c42691d6a63c72e2135561910219e38c79efa2d8823259b589a0900245b0
font_01_sfnt_off0000f85d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF85D 12192 bytes
SHA-256: 1242ab3ced4efa5c432a5e7a88fb9b2a1cd6f1286272def7e56b052a6be4e4e6

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