Malicious PDF — malware analysis report

Static analysis result for SHA-256 567d80a1a59e96e7…

MALICIOUS

PDF

54.8 KB Created: 2020-08-25 04:20:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ffb9156c9a4613ec37f719c3108fe51c SHA-1: eb28b221e2cd1eb25befc37bbf029d0034ea138a SHA-256: 567d80a1a59e96e7638922348195db99c3f95e4cddd631a4d34618c0c875f3e0
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though partially corrupted, contains text related to 'Apple service diagnostics' and includes the same malicious URL. Additionally, the PDF exhibits characteristics of a link farm, with numerous external links, many hosted on Shopify, suggesting an attempt to manipulate search engine results or distribute malicious content broadly. The primary malicious URL is 'https://ttraff.ru/pify?keyword=apple+service+diagnostics+3s162'.

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.ru/pify?keyword=apple+service+diagnostics+3s162
    • http://mukijaw.loudsand.com/uploads/1/3/2/7/132710797/sijapopemefofo-getunuridit.pdf
    • https://cdn.shopify.com/s/files/1/0431/7138/1405/files/femogimufevivejufifagoga.pdf
    • https://cdn.shopify.com/s/files/1/0438/9906/0392/files/vavurigilodujidavuxumus.pdf
    • https://cdn.shopify.com/s/files/1/0434/7697/5768/files/nuvivitiguwumakufiduxe.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/refitapobofubogiwimubik.pdf
    • https://cdn.shopify.com/s/files/1/0431/0210/9856/files/mezava.pdf
    • https://cdn.shopify.com/s/files/1/0431/7193/8461/files/76631372255.pdf
    • https://cdn.shopify.com/s/files/1/0438/0576/9888/files/how_to_tame_parrot_minecraft.pdf
    • https://cdn.shopify.com/s/files/1/0430/8546/3713/files/94167597621.pdf
    • https://cdn.shopify.com/s/files/1/0432/3095/3627/files/sisulomumudobixones.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/96672573922.pdf
    • https://cdn.shopify.com/s/files/1/0459/9260/7901/files/alliteration_ks2_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xidegafizupewutuzu.pdf
    • https://cdn.shopify.com/s/files/1/0433/4511/7342/files/nobuxamemalizatonorazi.pdf
    • https://cdn.shopify.com/s/files/1/0427/4742/9031/files/buwirok.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000754e.bin
1d8eeeae9d69a2eeb2958a7ffed2cea1e570b4e892edb7b503be016ea171ad2d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x754E 4560 bytes
font_01_sfnt_off0000853b.bin
fcda0c8c8cbf9341ac6cc50e19e462bcad3667bd6e137ee7ff93ac6cb253961a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x853B 5580 bytes
font_02_sfnt_off0000983f.bin
27ad8a1cb8a7d181b1e269cdcfdc54e7fced7d4adb75f1f6a8185a1ad885034f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x983F 12312 bytes
font_03_sfnt_off0000bfac.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBFAC 4324 bytes

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