Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e2d5024befd2a2b…

MALICIOUS

PDF

105.4 KB Created: 2021-05-05 20:29:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 004ea1c55716fa5ae70308f079b64389 SHA-1: d73dec2c618dc4e8bc539aeae18caaa6f6aa8539 SHA-256: 0e2d5024befd2a2b214086cda8138e2183e39c1f11029c575b7d6ea4153818b2
156 Risk Score

Malware Insights

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

The PDF file contains numerous external links, flagged as a PDF link farm, and one of these links points to a suspicious domain. The ML classifier and ClamAV detection strongly indicate maliciousness, specifically classifying it as a phishing trojan. While no scripts were explicitly extracted, the presence of external links and the nature of the heuristics suggest an attempt to redirect users to malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9989

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://golowaki.ru/strik?utm_term=apc+battery+backup+ns+1250+manual PDF link annotation
    • http://beritox.medianewsonline.com/23018839938.pdfIn PDF document text
    • http://lilozekakotelup.sportsontheweb.net/klasifikasi_aspergillus_niger.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467286/normal_5fcdcbd6d0c85.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420454/normal_5fc740a73041c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411935/normal_603d70d5dfd1d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487409/normal_601cea7d82f3d.pdfIn PDF document text
    • http://likefetevu.getenjoyment.net/aoac_official_method_942._05.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/73f22dae-ce49-4de8-928d-5da1c8f026b0/buramudasozawe.pdfIn PDF document text
    • https://s3.amazonaws.com/wovedukevikov/what_does_the_red_light_on_my_roomba_mean.pdfIn PDF document text
    • https://s3.amazonaws.com/juzewojavomofew/apc_back_ups_750_user_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7193006f-ab86-4b6d-9788-0763c2abce99/fozovovapivowobutar.pdfIn PDF document text
    • https://s3.amazonaws.com/zamuriza/mazixelevaxuwete.pdfIn PDF document text
    • https://4fd7ac12-06e8-439c-96a9-7636004ccb32.filesusr.com/ugd/9554ab_0249d1185b5d469fac2e7b73afd45169.pdf?index=trueIn PDF document text
    • https://e49cd12a-7e53-4a25-9f98-ae37b5ff2e44.filesusr.com/ugd/35dc59_2b804c87dad14943801b9577be9b8a4b.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/zibenoroduzuw/bevokosilakalabozavow.pdfIn PDF document text
    • https://9afb1793-bc57-4514-bb46-74e980466609.filesusr.com/ugd/11f207_85c899590dcc4e1a8befd13039d5651c.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/vojapu/no_fear_shakespeare_tempest_download.pdfIn PDF document text
    • https://s3.amazonaws.com/resixexi/zisowuvolinumig.pdfIn PDF document text
    • https://s3.amazonaws.com/fodose/jebajebikine.pdfIn PDF document text
    • https://s3.amazonaws.com/pesetufavo/zugutemuvovajabomoravol.pdfIn PDF document text
    • https://s3.amazonaws.com/wixatax/23190465261.pdfIn PDF document text
    • http://vewawisu.onlinewebshop.net/is_it_haram_to_highlight_the_quran.pdfIn PDF document text
    • https://fe92b815-f0fe-4223-924b-659339f44b90.filesusr.com/ugd/8f64fc_59bbaca5fbcc4d7297d55a064ac696c0.pdf?index=trueIn PDF document text
    • https://a9da0397-8586-4464-b41e-1153078571f7.filesusr.com/ugd/2e16aa_12ce7a1fad7f4cf3a25fca1b0af79c74.pdf?index=trueIn PDF document text
    • http://ruronegiseko.atwebpages.com/ansys_workbench_basic_tutorial.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_off00015d41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15D41 5824 bytes
SHA-256: e70d4559d69d6e6b27b1eac4e494c42f1ebfe0ef8323c84ad73d56d769d29fb2
font_01_sfnt_off0001710f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1710F 11432 bytes
SHA-256: 24d33a2be9187baef2dcdf498b9db4fcaed7e3eef1e585344aa3a808d3dad936

Open this report in the interactive analyzer, or submit your own file for analysis.