Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9f8b6d696a4be6f…

MALICIOUS

PDF

68.3 KB Created: 2020-08-10 04:45:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4fd9fc544e28970b73a7996346e0dc9e SHA-1: 3cc25d25591731577833c1dffcab041249b184bb SHA-256: a9f8b6d696a4be6fe0e7b25bed66a77065c6da5fd47e48c1226cc09d9f99c319
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a lure related to a self-help workbook, which is a common tactic for advance-fee scams. It embeds numerous links, with one pointing to a known malicious redirector at 'ttraff.com'. The file also contains a large number of links to Shopify domains, likely part of a link farm to improve search engine ranking for malicious content.

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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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.
  • 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=awaken+the+giant+within+workbook+pdf
    • http://files.chardoncommunityactionteam.org/uploads/1/3/1/3/131384018/pugotut-newifuniz.pdf
    • http://files.queerapocalypsesolutions.com/uploads/1/3/0/9/130969315/f2c28b529.pdf
    • http://files.betechindia.com/uploads/1/3/1/3/131379699/jawalax_rosezumuj_relew.pdf
    • http://files.silverdappledesign.com/uploads/1/3/0/9/130969598/11110afc7c.pdf
    • https://cdn.shopify.com/s/files/1/0434/6370/4738/files/bowaxazisabinogaponu.pdf
    • https://cdn.shopify.com/s/files/1/0441/4255/9384/files/android_developer_fundamentals_course.pdf
    • https://cdn.shopify.com/s/files/1/0433/7192/1571/files/sbi_card_statement.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29529942485.pdf
    • https://cdn.shopify.com/s/files/1/0437/4816/3735/files/dabekusexasotulumox.pdf
    • https://cdn.shopify.com/s/files/1/0435/2252/3288/files/47027892019.pdf
    • https://cdn.shopify.com/s/files/1/0434/5508/6742/files/faselojuvugufupano.pdf
    • https://cdn.shopify.com/s/files/1/0434/3427/9062/files/gopibavipukitofexeraze.pdf
    • https://cdn.shopify.com/s/files/1/0431/2940/5600/files/pujunefifaweluromilesadi.pdf
    • https://cdn.shopify.com/s/files/1/0432/8921/5129/files/redubuwosewazuputij.pdf
    • https://cdn.shopify.com/s/files/1/0430/8982/1845/files/practical_multivariate_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0434/7337/1300/files/14068846906.pdf
    • https://cdn.shopify.com/s/files/1/0435/1551/0938/files/freedom_and_the_spirit_berdyaev.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/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000cd4c.bin
e93c675c02074a400f6a9ef9a87cfa13893e120f601b4e9140d055ac2cdb5605
pdf-font-stream PDF embedded font (sfnt) at offset 0xCD4C 5380 bytes
font_01_sfnt_off0000dfa8.bin
8df0269a1b4ee65bc8b66c31c836aee0e0564d9091887d8607c69e22f920e4dc
pdf-font-stream PDF embedded font (sfnt) at offset 0xDFA8 10528 bytes