Malicious PDF — malware analysis report

Static analysis result for SHA-256 bcbb222b92c3a2df…

MALICIOUS

PDF

41.0 KB Created: 2020-08-23 04:24:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e276416f5223d16d5ef050a5035e239 SHA-1: b47de14752a9e82af22ea4f17ae3dd5e7ace9209 SHA-256: bcbb222b92c3a2dfa4b0a536021856099b2a7e048b6d4ff78e659c5493040443
120 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', which is designed to lure users with a fake download. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify domains. The document body, though heavily obfuscated, contains the same lure text and URL as the redirector.

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/pify?keyword=wingsuit+flying+game+apk
    • http://files.vmacpdx.com/uploads/1/3/0/7/130775607/eac1938278423e3.pdf
    • http://files.juiceboxfloresville.com/uploads/1/3/2/7/132741429/fupekug.pdf
    • http://files.havenhomestead.com/uploads/1/3/1/4/131437457/takopeful.pdf
    • http://files.exmouthcaninecentre.co.uk/uploads/1/3/0/8/130874128/jenasaj.pdf
    • https://cdn.shopify.com/s/files/1/0428/0510/0711/files/11196434361.pdf
    • https://cdn.shopify.com/s/files/1/0431/6125/6091/files/kelavepifelu.pdf
    • https://cdn.shopify.com/s/files/1/0431/0263/4148/files/romeo_x_juliet_episode_1_english_dub.pdf
    • https://cdn.shopify.com/s/files/1/0434/8562/6520/files/86050314222.pdf
    • https://cdn.shopify.com/s/files/1/0431/0886/0065/files/essentials_of_biostatistics_in_public_health_3rd_edition.pdf
    • https://cdn.shopify.com/s/files/1/0431/9988/9569/files/319872119.pdf
    • https://cdn.shopify.com/s/files/1/0431/5630/8123/files/54030253425.pdf
    • https://cdn.shopify.com/s/files/1/0427/8062/3015/files/mepamosapafebufilakamal.pdf
    • https://cdn.shopify.com/s/files/1/0430/5797/1362/files/stewart_calculus_6e.pdf
    • https://cdn.shopify.com/s/files/1/0432/7633/7318/files/kajemekiwizukosik.pdf
    • https://cdn.shopify.com/s/files/1/0432/2630/0575/files/dotex.pdf
    • https://cdn.shopify.com/s/files/1/0432/6057/5908/files/learn_portuguese_for_beginners.pdf
    • https://cdn.shopify.com/s/files/1/0432/4484/7261/files/7599864603.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_off00005565.bin
13597f2ca5e4713a2a2b1d2f0e19d656dfbd33e684fc86f4d7ff117dff390c5e
pdf-font-stream PDF embedded font (sfnt) at offset 0x5565 5076 bytes
font_01_sfnt_off000066ab.bin
e214ed83e310ea25e0b9178abb3df7b7c61a6a53eee46688a0dd76da021f3b1d
pdf-font-stream PDF embedded font (sfnt) at offset 0x66AB 10128 bytes
font_02_sfnt_off00008921.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e
pdf-font-stream PDF embedded font (sfnt) at offset 0x8921 4324 bytes