Malicious PDF — malware analysis report

Static analysis result for SHA-256 86a4001116e950b4…

MALICIOUS

PDF

42.8 KB Created: 2020-07-31 02:58:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 00dda2987b486e0d8489fc11e814ed76 SHA-1: 46b732367ed2b75ff5465fd7f4fe3abb2758d948 SHA-256: 86a4001116e950b436ffd1e5dee8a7a8ce317a4c64649d6b6fa5336079746301
136 Risk Score

Malware Insights

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

The PDF contains heuristics indicating it is a malicious redirector and part of a link farm, specifically using an invoice/payment lure. The embedded URL 'https://ttraff.cc/pify?keyword=money+loan+contract+pdf' is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Money loan contract pdf', reinforcing the lure. The presence of numerous external PDF links, many hosted on Shopify, suggests a broad distribution effort.

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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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.cc/pify?keyword=money+loan+contract+pdf
    • http://files.magicatglass.com/uploads/1/3/1/4/131453056/4e1cc02.pdf
    • http://files.beautifulfeetentertainment.com/uploads/1/3/2/3/132303170/6936776.pdf
    • http://files.veganrepublicstore.org/uploads/1/3/0/8/130814308/c048be.pdf
    • http://files.beautif
    • https://cdn.shopify.com/s/files/1/0434/1828/8284/files/gaxugiz.pdf
    • https://cdn.shopify.com/s/files/1/0427/7560/9510/files/97587881702.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vofelowuloluvazoriwonub.pdf
    • https://cdn.shopify.com/s/files/1/0431/5326/0706/files/47719487840.pdf
    • https://cdn.shopify.com/s/files/1/0432/6454/0840/files/benepirexeso.pdf
    • https://cdn.shopify.com/s/files/1/0433/9603/8812/files/finikemi.pdf
    • https://cdn.shopify.com/s/files/1/0431/5732/3925/files/99764149379.pdf
    • https://cdn.shopify.com/s/files/1/0431/6417/2445/files/xefavonotegazapag.pdf
    • https://cdn.shopify.com/s/files/1/0434/4433/8838/files/vigopafejawexobe.pdf
    • https://cdn.shopify.com/s/files/1/0437/0802/2938/files/47503371675.pdf
    • https://cdn.shopify.com/s/files/1/0427/9002/7430/files/40515109576.pdf
    • https://cdn.shopify.com/s/files/1/0434/6337/7048/files/35178446387.pdf
    • https://cdn.shopify.com/s/files/1/0431/8363/6644/files/48834386370.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_off00006a92.bin
f9af9c02bd35cc3a66b707997744ea8747ad93f83bff74d6628c36e685d31ff2
pdf-font-stream PDF embedded font (sfnt) at offset 0x6A92 4816 bytes
font_01_sfnt_off00007b0c.bin
4cd3091bfb75cd4c9e46835d7dca93bb4c65044801a8a81da6ec4181a859ad53
pdf-font-stream PDF embedded font (sfnt) at offset 0x7B0C 10328 bytes