Malicious PDF — malware analysis report

Static analysis result for SHA-256 85333faf507a7820…

MALICIOUS

PDF

43.1 KB Created: 2020-07-16 04:57:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 569bee0ca5bdbb936094b826451daa1a SHA-1: 08a89721cc4838844619b3b394af2ecca698a576 SHA-256: 85333faf507a7820f6a69b8eee1cb2208d2c4a587592ef48ba824da7475cd0b9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a lure for a free iPhone 7 user manual, which is a common social engineering tactic. It embeds a link to 'ttraff.com', identified as a malicious redirector. The file also exhibits characteristics of a PDF link farm, with numerous links pointing to external resources, likely for SEO manipulation or to obscure the malicious destination. No scripts were extracted, but the primary malicious activity is the redirection to a known bad URL.

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.com/wb?keyword=free%20user%20manual%20for%20iphone%207
    • http://files.elizabethmariephoto.com/uploads/1/3/2/7/132740281/kabiluvir.pdf
    • http://files.todayhousing.com/uploads/1/3/0/9/130969243/vanamogukalazak.pdf
    • http://files.amvetspost29.com/uploads/1/3/1/4/131453853/zapasijawujimuvirite.pdf
    • http://files.alteanunez.net/uploads/1/3/1/4/131453982/jizemakobeb.pdf
    • http://files.telluridefacials.com/uploads/1/3/1/3/131380158/rizenexired.pdf
    • http://files.telluridefacials.com/uploads/1/3/1/3/131380158
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/wukupileweli.pdf
    • https://cdn.shopify.com/s/files/1/0430/1219/4457/files/48419215782.pdf
    • https://cdn.shopify.com/s/files/1/0429/5580/0739/files/seropikuselapotevisewi.pdf
    • https://mugomij.files.wordpress.com/2020/07/65722318137.pdf
    • https://tasutujonomo.files.wordpress.com/2020/07/xepikuzexawazuxutiwu.pdf
    • https://pawojoteloje.files.wordpress.com/2020/06/31146528170.pdf
    • https://zemijedo.files.wordpress.com/2020/07/xiwafamafej.pdf
    • https://kadetalon.files.wordpress.com/2020/07/damudinenade.pdf
    • https://cdn.shopify.com/s/files/1/0427/7701/8524/files/pefoboveg.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lurexemip.pdf
    • https://cdn.shopify.com/s/files/1/0431/2937/2832/files/lijeguvanarep.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/8861538602.pdf
    • https://cdn.shopify.com/s/files/1/0431/8475/0747/files/gasatitu.pdf
    • https://cdn.shopify.com/s/files/1/0433/3161/6923/files/jejuvadebujutexesavim.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_off00006ba6.bin
69bf7989559fbcce3c7545098ca35315fcd4e187e185021898fdd76ac26bcf1f
pdf-font-stream PDF embedded font (sfnt) at offset 0x6BA6 4976 bytes
font_01_sfnt_off00007c5e.bin
fbdb129fb498d18b1a87124adae6ef1f1f1f5011e441bdaf9081f27ada005a5e
pdf-font-stream PDF embedded font (sfnt) at offset 0x7C5E 10224 bytes