Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1697d1cc4ae8146…

MALICIOUS

PDF

42.3 KB Created: 2020-08-19 16:39:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e89f3763c5e123da9bd2def61fd48080 SHA-1: 9f53eba50e8a27b39746d85b4a753b76624ae333 SHA-256: d1697d1cc4ae81463e899c16e6fce27cbed67e9c551f79f230629a1b23f22691
142 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm behavior, with numerous links to external PDFs, many hosted on shopify.com. The document body also contains the malicious URL and references a phone number lure, suggesting a callback phishing or tech-support scam. The primary intent appears to be redirecting the user to malicious infrastructure via the 'ttraff.com' URL.

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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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=camera+nx+mod+apk+for+nougat
    • http://files.standish-ericsson.org/uploads/1/3/0/7/130740524/9101009.pdf
    • http://files.rikdan.com/uploads/1/3/0/8/130813325/3726610.pdf
    • http://files.nancyjocullen.net/uploads/1/3/2/7/132740412/lideguru_dinoxadi.pdf
    • http://nulefasu.enterhisgatescamp.com/uploads/1/3/1/4/131453718/wuworunoke.pdf
    • https://cdn.shopify.com/s/files/1/0430/4257/0402/files/25408810446.pdf
    • https://cdn.shopify.com/s/files/1/0432/9819/3573/files/physics_chemistry_biology_objective_questions.pdf
    • https://cdn.shopify.com/s/files/1/0444/2321/7318/files/atrial_fibrillation_esc.pdf
    • https://cdn.shopify.com/s/files/1/0431/5804/4828/files/foriwujefewobudijefedaju.pdf
    • https://cdn.shopify.com/s/files/1/0434/0639/3496/files/smokey_and_the_bandit_soundtrack_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lujodegiduwidixerilaji.pdf
    • https://cdn.shopify.com/s/files/1/0438/2107/2546/files/html_carousel_background_image.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6976/files/zeburiwuginikurovariponi.pdf
    • https://cdn.shopify.com/s/files/1/0431/2439/2087/files/zikuwekudagefenenukuxewa.pdf
    • https://cdn.shopify.com/s/files/1/0434/2251/5351/files/kewud.pdf
    • https://cdn.shopify.com/s/files/1/0431/8953/4869/files/67698238239.pdf
    • https://cdn.shopify.com/s/files/1/0431/0351/8882/files/lonuwomumopafisenetiralas.pdf
    • https://cdn.shopify.com/s/files/1/0430/9732/5732/files/97135723537.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_off00006745.bin
0ea4c9d4e10a10df2f973cba61608de447dcf2e08edf87aeaa61c4501868c042
pdf-font-stream PDF embedded font (sfnt) at offset 0x6745 5188 bytes
font_01_sfnt_off000078d7.bin
f63aaa178af10c85d97f8cf9736c3deb2f132bc29c12a3c475a0b527dc8dd719
pdf-font-stream PDF embedded font (sfnt) at offset 0x78D7 10360 bytes