Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e9dd44207a6001c…

MALICIOUS

PDF

74.1 KB Created: 2021-02-11 19:05:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 32c62299df6a39b4673e0c71c0cb316e SHA-1: 41ad7dfce430029935c37b86f8141b1da4826a6b SHA-256: 2e9dd44207a6001c896c1a8a523e928f6edeb1eba846404724f7fe84642c6839
134 Risk Score

Malware Insights

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

This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and is structured as a link farm, a common technique for phishing and malware distribution. The document body, though heavily obfuscated, appears to contain metadata related to its creation, suggesting it was generated programmatically to host these malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://druttle.ru/wb?keyword=telangana%20folk%20songs%20audio PDF link annotation
    • https://vabisoxapulaji.weebly.com/uploads/1/3/4/4/134444495/4509626.pdfIn PDF document text
    • http://kuvuradivikosef.iblogger.org/99008687171.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374698/normal_5fd7a4f9e4346.pdfIn PDF document text
    • http://xisulekotitis.iblogger.org/zudesasa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4406516/normal_6004cb7e2aa9a.pdfIn PDF document text
    • https://cdn.sqhk.co/kipaselofuza/eigkhfd/dungeon_crusher_crafting_anvil.pdfIn PDF document text
    • https://cdn.sqhk.co/wimiwupo/jx1vPOK/translate_web_page_to_english_iphone.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380211/normal_601092d4a2001.pdfIn PDF document text
    • http://nizuloxodiza.iblogger.org/restraining_order_ontario_form.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/najipavez/gagonerimudazefiwixu.pdfIn PDF document text
    • http://rinerevopofupu.rf.gd/kingdoms_at_war_guide.pdfIn PDF document text
    • http://wipitawakewemex.rf.gd/13604924090.pdfIn PDF document text
    • http://duvexarido.epizy.com/kindle_app_iphone_audio.pdfIn PDF document text
    • http://feramivo.rf.gd/tikutuginezixemesukon.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_off0000e467.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE467 4992 bytes
SHA-256: 0991cdcad29854627d9749075dcaaca9d3feaf5011a8060134528887f78d8952
font_01_sfnt_off0000f57f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF57F 11280 bytes
SHA-256: 3857705854c6e2ed1bc6d02dc69faa08aca19b0ccc69e05efec87033e2cc959b

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