Malicious PDF — malware analysis report

Static analysis result for SHA-256 88b15ea06ef7206c…

MALICIOUS

PDF

45.5 KB Created: 2020-07-28 07:58:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54ae8ef40950a91a44a058fe605c8599 SHA-1: 97804a9f18aa0432320c39bf21b0938cf33013c1 SHA-256: 88b15ea06ef7206ca41ae4246d01ef305303673222bbfd431457e1e0b746fc99
140 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm pattern, with numerous links hosted on 'cdn.shopify.com', suggesting an attempt to distribute malicious content or engage in SEO manipulation for phishing. The document body, though heavily obfuscated, contains text related to phone models and technical details, potentially serving as a lure for a scam.

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=best+android+one+phones+under+15000
    • http://files.hawkknifedesigns.com/uploads/1/3/1/4/131437181/ruvuvilunaw-bukob-gimadesikun.pdf
    • http://files.arizonalife.rocks/uploads/1/3/2/6/132695492/banutuf.pdf
    • http://files.fancy-kitty.com/uploads/1/3/0/8/130814714/9da97cd.pdf
    • http://files.fancy-kitty.com/uploads/1/3/0/8/130814714/9da97cd
    • https://cdn.shopify.com/s/files/1/0433/3309/1480/files/80947304115.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57955619809.pdf
    • https://cdn.shopify.com/s/files/1/0431/0522/2822/files/ruwulofip.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gidawibozifuniji.pdf
    • https://cdn.shopify.com/s/files/1/0432/0939/2285/files/22941025962.pdf
    • https://cdn.shopify.com/s/files/1/0435/5578/2817/files/vagunexi.pdf
    • https://cdn.shopify.com/s/files/1/0432/8659/3694/files/85558415290.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94766401197.pdf
    • https://cdn.shopify.com/s/files/1/0432/1322/6139/files/55734576544.pdf
    • https://cdn.shopify.com/s/files/1/0428/5677/5839/files/1758729463.pdf
    • https://cdn.shopify.com/s/files/1/0430/6563/9069/files/tapadapuxegorikejira.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nozawilod.pdf
    • https://cdn.shopify.com/s/files/1/0438/9643/8936/files/diritakizojanikaruvagod.pdf
    • https://cdn.shopify.com/s/files/1/0428/6863/7862/files/67874397201.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_off0000734f.bin
03bf756dd0b8e018e0b2cdb888c8724ca312e11b08894129beb8010505fa1b26
pdf-font-stream PDF embedded font (sfnt) at offset 0x734F 5264 bytes
font_01_sfnt_off00008528.bin
d23272f0a103a9f0779879e657a2bbf3401eced20d837a334031434dadcabd82
pdf-font-stream PDF embedded font (sfnt) at offset 0x8528 10408 bytes