Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1601fcebf5a5282…

MALICIOUS

PDF

63.1 KB Created: 2021-01-22 07:14:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 9bea4b7bba11f7ae04222c3c4168462b SHA-1: 0a4291e6d5e3932679ee47a27337fc0371ad046d SHA-256: b1601fcebf5a52827346ea507e35c3bce538ae86bd2ed5cd6e26c5f340a579fa
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is a PDF document that contains an embedded URL. This URL, 'https://jottigo.ru/wb?keyword=the%20avengers%20destroyer%20review%20guardian', is likely used to redirect the user to a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8702

Heuristics 3

  • 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
  • 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://jottigo.ru/wb?keyword=the%20avengers%20destroyer%20review%20guardian PDF link annotation
    • https://site-1168088.mozfiles.com/files/1168088/zenujowetorakarokuwirored.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375076/normal_60067456d1360.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419410/normal_5fe00b796c0dc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367305/normal_6009ac12af552.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459028/normal_6004b38f6fc14.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485573/normal_5fef4a831a520.pdfIn PDF document text
    • https://site-1172679.mozfiles.com/files/1172679/75054234301.pdfIn PDF document text
    • https://site-1203147.mozfiles.com/files/1203147/mx_player_android_tv_4pda.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/kelageketisefuv/image_size_cutter_software_free.pdfIn PDF document text
    • https://s3.amazonaws.com/kosipefojaw/takifetopam.pdfIn PDF document text
    • http://ramapenutizawa.epizy.com/the_art_of_war_full_book.pdfIn PDF document text
    • https://s3.amazonaws.com/zifilobesumafi/tezubemibilubixa.pdfIn PDF document text
    • https://s3.amazonaws.com/zifozujiwi/66067014751.pdfIn PDF document text
    • https://s3.amazonaws.com/zemunomipazikez/the_bluejacket_s_manual_revision-_24th.pdfIn PDF document text
    • https://s3.amazonaws.com/moduxanakuri/facebook_android_sdk_graph_api_version.pdfIn PDF document text
    • https://s3.amazonaws.com/nemafu/shaffer_blowout_preventer_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/gaxuremewuger/boogaloo_regular_free_font.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e808.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE808 5256 bytes
SHA-256: f23709ec970af940756cb53d9f49f6cda050ef76dcdb44c35e7fd053e1652f68

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