Malicious PDF — malware analysis report

Static analysis result for SHA-256 67f053a929a4933c…

MALICIOUS

PDF

79.8 KB Created: 2021-03-17 18:16:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ff6498c6b3369c359c34004213cbb3f SHA-1: db546f32377f2e5f5d71de96653634e301707561 SHA-256: 67f053a929a4933c075a87854fa2caa7b33d0e5f21513a644812a4a929c1479d
96 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains an embedded URL pointing to 'jumiwimov.ru', which is likely used to deliver a malicious payload or redirect the user to a phishing site. The presence of embedded URLs and the overall detection suggest this file is part of a phishing campaign, likely delivered as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jumiwimov.ru/strik?utm_term=coaching+psychology+degree
    • https://cdn-cms.f-static.net/uploads/4411932/normal_5fd942116bf4d.pdf
    • http://dibosezufo.getenjoyment.net/counselling_skills_and_theory_4th_edition.pdf
    • https://cdn.sqhk.co/ravuviwidi/xZitUii/carrot_cake_recipe_for_dogs_and_humans.pdf
    • https://cdn.sqhk.co/notenirikev/ieadhde/71405395717.pdf
    • http://disclosures.space/mr_bowman_s_entertainmentrwgc9.pdf
    • https://cdn-cms.f-static.net/uploads/4406168/normal_603c6ba20e1a7.pdf
    • http://znakomstva18x.site/zelelopanugexobatujizagtiyh1.pdf
    • http://rasezatoxefu.mygamesonline.org/what_is_yodas_most_famous_quote.pdf
    • https://cdn.sqhk.co/wuzirixowev/VeNtaw0/zodosewotosipimewuvek.pdf
    • https://cdn.sqhk.co/vobevufubito/aiiMngi/dixojuberuwosabeluzaxev.pdf
    • https://cdn.sqhk.co/dabozijide/g5hbGif/commodity_prices_today_steel.pdf
    • http://biwiroxefamir.mywebcommunity.org/mcculloch_pro_mac_610_user_manual.pdf
    • http://tells.fun/10608737725ng1pf.pdf
    • http://gdztut.com/3899553545z9zqp.pdf
    • https://cdn-cms.f-static.net/uploads/4450045/normal_5fe7090582017.pdf
    • https://cdn.sqhk.co/rejibebadit/xjcjil0/no_man_s_sky_playstation_vr_review.pdf
    • http://zejadovota.iblogger.org/67404861001.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://gatakokuto.rf.gd/b_form_nadra_karachi.pdf
    • http://validexa.epizy.com/avast_update_free_2018.pdf
    • http://dumatefofexulen.epizy.com/30689485514.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e43e.bin
ee44f54e870cb40afa1bad61ff33795ca1a966b893d4490343f15aff04a597e1
pdf-font-stream PDF embedded font (sfnt) at offset 0xE43E 5340 bytes
font_01_sfnt_off0000f664.bin
cb83bc0c418e5b43061fa404976e2fa1a7153f37827c6a99a491e92278e6b3a5
pdf-font-stream PDF embedded font (sfnt) at offset 0xF664 11260 bytes
font_02_sfnt_off00011d06.bin
4009372b163b3f445d3f1f71485fdc914f33364c79904b121c1603929874874a
pdf-font-stream PDF embedded font (sfnt) at offset 0x11D06 16240 bytes