Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e32bd095ea9d2a1…

MALICIOUS

PDF

75.5 KB Created: 2021-02-15 23:50:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 7069119287b4ab54a5ff5fa6897cdbe7 SHA-1: 91dfa1a0b18582f66dbecf244c35c5b629db079b SHA-256: 0e32bd095ea9d2a1e0906191059effa9de4fb5cecaea92dae3f3fafb9da5e743
126 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests it's part of a link farm designed to manipulate search results, likely to lure victims with promises of 'paypal money adder' tools. The embedded URL points to a suspicious domain, further supporting a phishing or scam-related attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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 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://jacksth.ru/wix?keyword=online+paypal+money+adder+no+download+needed+2019 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4382790/normal_6011fbff957ce.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379474/normal_600cb80a72dca.pdfIn PDF document text
    • http://vizimuvorogo.22web.org/ladef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379846/normal_600d155bb368c.pdfIn PDF document text
    • https://cdn.sqhk.co/mafowixodi/fhfcDii/letatofizope.pdfIn PDF document text
    • http://delaem-sami.online/61997158253l44d6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481663/normal_60143ff066178.pdfIn PDF document text
    • http://gmetry.online/zirakawifagegevokojobuzeadisk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450727/normal_5fdebdf0e416f.pdfIn PDF document text
    • http://mapizemi.22web.org/picky_eater_food_guide.pdfIn PDF document text
    • http://thecet.xyz/49982566054e4lq9.pdfIn PDF document text
    • http://menbp.online/video_player_download_for_windows3mw4j.pdfIn PDF document text
    • https://cdn.sqhk.co/foseziwate/Xja4Rgl/36175285825.pdfIn PDF document text
    • https://cdn.sqhk.co/xaripisi/dIwgghB/etisalat_business_appointment.pdfIn PDF document text
    • http://wokizunapajunez.iblogger.org/selulukalafolowuwenukut.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://satuzolo.epizy.com/segipabixu.pdfIn PDF document text
    • http://lodufuvu.epizy.com/81310923519.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_off0000e850.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE850 5632 bytes
SHA-256: b3fabe1c74487ce945a4ceea0d0def5deda79e6f616878f6cf8cfae43910248b
font_01_sfnt_off0000fb7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB7F 10852 bytes
SHA-256: 4d761018a54a32261889bc9e87a87312d0d874e030f65c1cee57743c9760bfc7

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