Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d886f2a33944869…

MALICIOUS

PDF

44.8 KB Created: 2020-08-26 14:23:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 61083bb13a2dd276c478a63844ce41d2 SHA-1: a3c4c70fc7e5056381a16902a17509f7a5d36162 SHA-256: 2d886f2a33944869c0c46f64e20eed172aadc831c1fc6cf3a2fe008770321d6d
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, including a critical link to a known malicious redirector at `https://ttraff.club/pify?keyword=how+to+connect+ue+roll`. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to trick users into clicking malicious links. The presence of numerous PDF links, many pointing to Shopify domains, indicates a link farm strategy, likely for SEO poisoning or to obscure the final malicious destination. No scripts were extracted, but the PDF structure and link analysis strongly suggest a phishing or malware distribution attempt.

Heuristics 3

  • 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.
  • 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.club/pify?keyword=how+to+connect+ue+roll
    • http://files.willowway-farm.com/uploads/1/3/2/6/132681823/wejuk.pdf
    • http://xodijo.tarynogormandesigns.com/uploads/1/3/1/6/131606228/mowapusim_lexadasolexon_vasifoxusipul_pomuvuvepalere.pdf
    • http://files.vbashelbyville.com/uploads/1/3/0/7/130776276/nesifepoz.pdf
    • https://cdn.shopify.com/s/files/1/0447/2075/0745/files/body_beast_mobile_app.pdf
    • https://cdn.shopify.com/s/files/1/0433/6369/6799/files/68760256792.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/12410546401.pdf
    • https://cdn.shopify.com/s/files/1/0430/8199/0304/files/7485198445.pdf
    • https://cdn.shopify.com/s/files/1/0447/8559/8615/files/best_markup_mac.pdf
    • https://cdn.shopify.com/s/files/1/0437/0549/9803/files/adjective_prepositions_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0449/0684/0231/files/automate_the_boring_stuff_with_python_2nd_edition_download.pdf
    • https://cdn.shopify.com/s/files/1/0437/9875/7538/files/bet9ja_mobile_app_for_android.pdf
    • https://cdn.shopify.com/s/files/1/0435/3848/1320/files/tazunipoju.pdf
    • https://cdn.shopify.com/s/files/1/0428/5032/0540/files/gejebu.pdf
    • https://cdn.shopify.com/s/files/1/0433/1778/8830/files/chhota_bheem_ki_video_mp4.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_off0000643c.bin
e981b18c9adfbde87ca1101493620dd9fcc9046cd712fb6299bb27f714694328
pdf-font-stream PDF embedded font (sfnt) at offset 0x643C 4460 bytes
font_01_sfnt_off0000737a.bin
f2fd9b023ac732250381b571c0c17480016bbc182f84d4325f00f55bd0277b81
pdf-font-stream PDF embedded font (sfnt) at offset 0x737A 15776 bytes