Malicious PDF — malware analysis report

Static analysis result for SHA-256 95d50fc59c6c2273…

MALICIOUS

PDF

74.9 KB Created: 2021-02-23 15:36:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 36a53043460fd25ea47ca45898c72e70 SHA-1: 0d7f17e6710ea156baa87122223567b9cc329bef SHA-256: 95d50fc59c6c2273e8fb731f5eaea3ec4d3cd5f9d5b8d2253d93567ab240f7cb
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. The embedded URL 'https://jottigo.ru/wix?keyword=passion+lauren+kate+pdf+free' suggests a lure to download a PDF, likely containing further malicious content or leading to a phishing site. The document body, though heavily obfuscated, contains references to the URL's keyword, reinforcing the phishing pretext.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jottigo.ru/wix?keyword=passion+lauren+kate+pdf+free PDF link annotation
    • https://cdn.sqhk.co/xunijejozi/Mwgehfm/monuwaworilenamenitowow.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365621/normal_5fe51c93a707b.pdfIn PDF document text
    • https://cdn.sqhk.co/soribivevi/Yiahf7Q/83350520138.pdfIn PDF document text
    • https://cdn.sqhk.co/libuzewis/3Vjjvii/sofobugozagixi.pdfIn PDF document text
    • http://hallop.xyz/dirasesubuvumujavi8alkw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419650/normal_6004be93bb3e6.pdfIn PDF document text
    • https://cdn.sqhk.co/wajuletixex/j4SW0gd/lukilifaw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388173/normal_5feb795a98f1e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408593/normal_5fcedcecd1140.pdfIn PDF document text
    • https://cdn.sqhk.co/mirusopujame/rhidhgT/can_i_pay_my_sprint_bill_with_paypal.pdfIn PDF document text
    • http://milanomoda-italy.website/mazizidopeluvuxefijosl2so.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482002/normal_5ff8eef781774.pdfIn PDF document text
    • https://cdn.sqhk.co/bikegola/jdp2geT/bolidoxujori.pdfIn PDF document text
    • https://cdn.sqhk.co/rifokinimito/hho7lSi/35192938698.pdfIn PDF document text
    • http://qiwi-wallet.online/gexosuwozq01a.pdfIn PDF document text
    • https://cdn.sqhk.co/noxisoture/ggihgdU/swot_analysis_template_powerpoint_2007.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/nutanigonu/dinabiwejozewivexom.pdfIn PDF document text
    • https://s3.amazonaws.com/padanivozeb/chinese_alphabet_a-_z.pdfIn PDF document text
    • https://s3.amazonaws.com/mexijegedakol/ascites_guidelines_2016.pdfIn PDF document text
    • https://s3.amazonaws.com/fatisake/lajorusotudowozatako.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_off0000e7f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7F5 5100 bytes
SHA-256: 258921c4ed5212da200d6ca2f50f48a26d85a2b1eb13e7f3409d283abe6b8b5a
font_01_sfnt_off0000f95e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF95E 10484 bytes
SHA-256: 19a82112e606738f2045c05d86a92a04caba38718a20ea214fb095ee234a0360

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