Malicious PDF — malware analysis report

Static analysis result for SHA-256 af6e155029675c02…

MALICIOUS

PDF

49.3 KB Created: 2020-08-06 03:49:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 839c0e6aac6958da95eabe9de616360e SHA-1: bff503e3c4ea430b54ba06e0e145de7a9b80a359 SHA-256: af6e155029675c02811ef41ce675d7738ce5725413bfc4794ccb885e6832e22a
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=belief+in+islam+pdf'. This indicates a phishing or redirection attempt. The file also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The document body, though heavily obfuscated, contains the same suspicious URL, reinforcing the redirection attempt.

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.cc/pify?keyword=belief+in+islam+pdf
    • http://files.yogasolterra.com/uploads/1/3/1/1/131164476/baff0b34ba1a.pdf
    • http://files.redmosaicjewelry.com/uploads/1/3/1/8/131857390/bazunilakap.pdf
    • http://sirub.gsjministries.com/uploads/1/3/1/0/131069934/jojipega-vovaf-pevigibuz-binurefimuneseg.pdf
    • http://files.emmanuelyork.org/uploads/1/3/2/6/132695244/093e457c49.pdf
    • http://files.speckaylighting.com/uploads/1/3/1/3/131397946/mexafuzuwobu.pdf
    • https://cdn.shopify.com/s/files/1/0440/2518/4421/files/5988104997.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/49221060197.pdf
    • https://cdn.shopify.com/s/files/1/0433/3443/4969/files/membrane_bioreactor_thesis.pdf
    • https://cdn.shopify.com/s/files/1/0431/8907/6117/files/mudamipebijokavefinepawez.pdf
    • https://cdn.shopify.com/s/files/1/0433/9059/9319/files/pawoximukoge.pdf
    • https://cdn.shopify.com/s/files/1/0428/1637/2892/files/zikoxobide.pdf
    • https://cdn.shopify.com/s/files/1/0436/7073/2950/files/60170530576.pdf
    • https://cdn.shopify.com/s/files/1/0429/2853/7753/files/68063151510.pdf
    • https://cdn.shopify.com/s/files/1/0432/4343/8244/files/twilight_life_and_death_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/4023/4902/files/86935265840.pdf
    • https://cdn.shopify.com/s/files/1/0432/8236/6629/files/mowegaxopot.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/
    • https://cdn.shopify.com/s/files

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008398.bin
e0dd4a26e011dd153f2f853520e3c59932f8aa7f19c79bb9a4bfdff04b7e9dff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8398 5140 bytes
font_01_sfnt_off0000950c.bin
4e49ec52ec1ff032631963951a632b951710aef86b7748e96381c9a055858b2a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x950C 10404 bytes

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