Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e59e3758006b898…

MALICIOUS

PDF

147.7 KB Created: 2020-08-12 03:33:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ef0903bcb149f57931874db055b5d8eb SHA-1: c06b0427ad45e81859974d21fae349c2e8a77a7c SHA-256: 6e59e3758006b8983385d7c4a3a516b4d8086217947b2a372a97ec6b75b5dc42
134 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for an advance-fee scam lure, indicating a fraudulent intent. It also includes a link to a known malicious redirector, ttraff.com, which is likely used to deliver a secondary payload or lead the user to a phishing site. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://ttraff.com/pify?keyword=ajanta+caves+architecture+pdf
    • http://kogeto.goodshepherdgratz.com/uploads/1/3/2/3/132302780/pokupul.pdf
    • http://wenuvinuf.jameslroberts.com/uploads/1/3/0/8/130813604/xuxaladaxegak.pdf
    • http://files.madkentadventure.com/uploads/1/3/1/3/131398406/tupuvufidimeka.pdf
    • http://pitasove.barndoorllc.com/uploads/1/3/1/4/131482995/3375091.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0437/3646/5559/files/bitcoin_and_blockchain_explained.pdf
    • https://cdn.shopify.com/s/files/1/0432/3190/3902/files/63880032254.pdf
    • https://cdn.shopify.com/s/files/1/0435/8946/8328/files/44403335477.pdf
    • https://cdn.shopify.com/s/files/1/0428/1312/8863/files/jurnal_anoreksia_nervosa.pdf
    • https://cdn.shopify.com/s/files/1/0431/2553/8965/files/volvo_penta_sx_service_manual.pdf
    • https://cdn.shopify.com/s/files/1/0427/9799/0055/files/63359109729.pdf
    • https://cdn.shopify.com/s/files/1/0437/9358/0189/files/zezolasunezoxeso.pdf
    • https://cdn.shopify.com/s/files/1/0430/7176/6690/files/rikepezudabizinu.pdf
    • https://cdn.shopify.com/s/files/1/0433/3692/5342/files/6433232833.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vukabisozudetilo.pdf
    • https://cdn.shopify.com/s/files/1/0431/1056/4002/files/free_bass_guitar_tabs.pdf
    • https://cdn.shopify.com/s/files/1/0437/7070/8125/files/abnormal_psychology_free.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001fcd8.bin
33217473bcbb6c03df82a5fb0fcc2988822f3a7231bd4e64310611bc465a9ba1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1FCD8 3796 bytes
font_01_sfnt_off00020a35.bin
1c87ae9c75d85aca86efa6808bf1f495a78c69891f35eaa1cf93fe2060f7215d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20A35 5336 bytes
font_02_sfnt_off00021c5b.bin
15d87e4edc56bc78fb59c23ffb3c78ec67ce21c953505eba7701b8267a0df351		 pdf-font-stream PDF embedded font (sfnt) at offset 0x21C5B 11044 bytes

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