Malicious PDF — malware analysis report

Static analysis result for SHA-256 3da899b3de75f684…

MALICIOUS

PDF

110.7 KB Created: 2020-08-20 00:47:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: afc792e4365b4c25bca9af85c5b11983 SHA-1: da5ecd7432c307e49d4895dc66b1899feb325ea8 SHA-256: 3da899b3de75f68442cda59a8c8e6abeabdaf6c47ab9907cf19be33419d035ce
168 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.002 Spearphishing Attachment T1071.001 Web Protocols

The PDF contains a lure related to 'Tatkal train ticket booking' and an urgency message, directing users to click a link. This link, 'https://ttraff.com/pify?keyword=tatkal+train+ticket+booking+form', is flagged as a malicious redirector. The document also hosts a large number of external PDF links, many pointing to Shopify domains, suggesting a link farm or redirection strategy. The primary attack pattern involves social engineering to trick users into visiting a malicious URL, likely for credential harvesting or malware delivery.

Heuristics 5

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=tatkal+train+ticket+booking+form
    • http://files.pacopioneervalley.org/uploads/1/3/1/4/131407138/velutoraxosi.pdf
    • http://files.kaleidoscopechurch.org/uploads/1/3/2/8/132814415/c857b34.pdf
    • http://files.rwandalawoffice.com/uploads/1/3/0/7/130776326/f1a396f0c3613e.pdf
    • http://vatox.thegreeneyedgirlspdx.com/uploads/1/3/0/7/130739678/delidaxugupeluk-niwabikirula.pdf
    • https://cdn.shopify.com/s/files/1/0428/3102/0198/files/refob.pdf
    • https://cdn.shopify.com/s/files/1/0431/8828/9694/files/vovesojajalusu.pdf
    • https://cdn.shopify.com/s/files/1/0433/8758/4675/files/xakivovomafitixizema.pdf
    • https://cdn.shopify.com/s/files/1/0429/7841/0655/files/nujafidagoxe.pdf
    • https://cdn.shopify.com/s/files/1/0438/9965/0216/files/60001883271.pdf
    • https://cdn.shopify.com/s/files/1/0434/7301/0850/files/pirofoliganinariramogugew.pdf
    • https://cdn.shopify.com/s/files/1/0430/9798/1082/files/sewogalivikibegazus.pdf
    • https://cdn.shopify.com/s/files/1/0434/4011/1782/files/art_roman_art_gothique.pdf
    • https://cdn.shopify.com/s/files/1/0437/0097/7818/files/vedemusefalilibuwuj.pdf
    • https://cdn.shopify.com/s/files/1/0429/1674/1286/files/fototurerekutak.pdf
    • https://cdn.shopify.com/s/files/1/0430/6803/1143/files/bodixiwij.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23063093424.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00015f39.bin
bdea842af26d2978eb0c0c0fe7d0017adb18d10bd039f62c8413055e740090e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15F39 5176 bytes
font_01_sfnt_off000170c3.bin
20a13a59f1dcf620bf3f03a80bdf73f5737f1e3739ef56ef287498337c642d23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x170C3 10872 bytes
font_02_sfnt_off00019603.bin
a90aa1d4857f5a3a61267484ece4655c967906e94fcf42623c0cb09e39d06395		 pdf-font-stream PDF embedded font (sfnt) at offset 0x19603 16584 bytes

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