Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d299bee4f5714d0…

MALICIOUS

PDF

79.5 KB Created: 2021-01-28 00:55:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27
MD5: e3afd8c26a5f5c1c257b633f7af1a685 SHA-1: ed4ae484a355b02f9d44f81981873f692ad52eb3 SHA-256: 5d299bee4f5714d035c167eed53b9a9599384515bda8d86330df031f4aa397c1
126 Risk Score

Malware Insights

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

The PDF contains numerous external URIs and is flagged by ML classifiers and ClamAV as malicious, indicating a phishing or malware distribution attempt. The presence of embedded URLs suggests the document is designed to redirect users to potentially harmful websites. Although no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest malicious intent.

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://maypoin.ru/123?utm_term=how+to+describe+a+cat%2527s+personality PDF link annotation
    • http://vvinorama.website/crazy_racing_car_2_mod_apk_downloadsrru3.pdfIn PDF document text
    • https://lenapejasuma.weebly.com/uploads/1/3/4/7/134749539/tajovevojabopez.pdfIn PDF document text
    • https://govewusig.weebly.com/uploads/1/3/0/9/130969429/vawakurosituro-fojijawid-firufevifaso.pdfIn PDF document text
    • https://jafuxanabowam.weebly.com/uploads/1/3/5/3/135383447/fa69e07ec.pdfIn PDF document text
    • https://cdn.sqhk.co/tiviluluje/idgjjdz/top_hashtags_today_linkedin.pdfIn PDF document text
    • https://zojezuma.weebly.com/uploads/1/3/1/3/131382028/ruzifilezaxakan-vozumaxegemena-kavotosezanemes-jejujenumesoz.pdfIn PDF document text
    • http://starconflict-game.ru/creative_destruction_economics_tutor2uliy2e.pdfIn PDF document text
    • https://cdn.sqhk.co/jerowerar/4ghjjaC/duvidiwubaterevenazuler.pdfIn PDF document text
    • http://daravto18.ru/49457599236cn3hn.pdfIn PDF document text
    • http://cyberghost.store/dagosuzo6iy7i.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446263/normal_5ff05e2fe21a9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4466662/normal_5fea39d168d3a.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://koxowasone.epizy.com/jusekiw.pdfIn PDF document text
    • http://madanekobovuge.epizy.com/banimusoxogojugazamam.pdfIn PDF document text
    • http://lanikudawojag.rf.gd/free_birds_movie_worksheet.pdfIn PDF document text
    • http://muwiliwus.epizy.com/91502401789.pdfIn PDF document text
    • http://suvokejixu.epizy.com/apache_backing_track_free.pdfIn PDF document text
    • http://vakusidoler.epizy.com/figurative_language_test_1_answers.pdfIn PDF document text
    • http://desibevazivoxan.rf.gd/gitavojelunonanof.pdfIn PDF document text
    • http://kajomeki.epizy.com/rupojepekofilirodagonumu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eb4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB4F 5184 bytes
SHA-256: f28db537b445023e2676c2cd1a9e640186abffe12fcdf667b386e2f1de49cbfc
font_01_sfnt_off0000fd0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD0F 10992 bytes
SHA-256: ee1cd3d0b05d41c907db2b59b77a3b91b3a845186617878c2fc46dcaa54f9f9e
font_02_sfnt_off0001227b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1227B 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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