Malicious PDF — malware analysis report

Static analysis result for SHA-256 68a61f944deed836…

MALICIOUS

PDF

69.2 KB Created: 2021-03-15 04:50:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: dc186d38f213fe9647e264fd0251e1e1 SHA-1: 409994b66e8ffade81b0009204048e303810fa97 SHA-256: 68a61f944deed836f2b8a3fe0220e2a711b6875f925ec267c84067a3332f2892
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, which is likely a phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a deceptive lure related to song lyrics to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://druttle.ru/wix?keyword=seether+broken+feat+amy+lee+lyrics
    • https://static.s123-cdn-static.com/uploads/4369487/normal_5ff2d7073ea6a.pdf
    • http://poxumanavofeboz.scienceontheweb.net/samsung_nu7100_49_price_philippines.pdf
    • http://zodazaze.22web.org/xokomoledevemumotere.pdf
    • https://cdn.sqhk.co/pelotuwew/8ghXRnE/velatajuzanumesarononanit.pdf
    • https://cdn.sqhk.co/nepajenine/jcMS3RU/only_one_you_lyrics.pdf
    • https://static.s123-cdn-static.com/uploads/4481515/normal_600074376ffcb.pdf
    • https://static.s123-cdn-static.com/uploads/4475586/normal_5fed75b80367f.pdf
    • https://static.s123-cdn-static.com/uploads/4420934/normal_5fec0b2f884b6.pdf
    • http://pifanaliriwabo.mygamesonline.org/16089280680.pdf
    • http://jixusasigetoko.iblogger.org/75882861449.pdf
    • http://fanutoragozogow.sportsontheweb.net/lies_of_locke_lamora_book_2.pdf
    • https://cdn-cms.f-static.net/uploads/4378618/normal_603801abbd9db.pdf
    • https://cdn-cms.f-static.net/uploads/4452386/normal_60402065537b1.pdf
    • https://static.s123-cdn-static.com/uploads/4479462/normal_5ff216daef7b0.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://desetezovadu.epizy.com/mensa_cryptic_test_answers.pdf
    • http://jutividaw.rf.gd/azusa_street_book.pdf
    • https://s3.amazonaws.com/xisakazelelinim/angiography_video_free.pdf
    • https://s3.amazonaws.com/mexesazaxasa/74011348156.pdf
    • http://nonosolagosev.epizy.com/pefiwogefum.pdf
    • http://futakanawus.onlinewebshop.net/symbols_in_le_petit_prince.pdf
    • http://siwemoxoxawevuv.atwebpages.com/replace_heating_element_masterbuilt_electric_smoker.pdf
    • https://s3.amazonaws.com/dupula/budapest_local_travel_guide.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d035.bin
e19b5278f03c5482a881e0bc71a78229e826c0f0a77fb542564885151bf9243b
pdf-font-stream PDF embedded font (sfnt) at offset 0xD035 5528 bytes
font_01_sfnt_off0000e2e4.bin
5aefe596728290f0047a4b448eb3a2bcfd5a561c1b972574c8e153de1036f99e
pdf-font-stream PDF embedded font (sfnt) at offset 0xE2E4 10772 bytes