Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a92ff692ec74b9c…

MALICIOUS

PDF

42.3 KB Created: 2020-08-05 03:29:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9248958db39889c5c852f37f08e3d896 SHA-1: d030c0d5fd092596ee415d40bea25141766edf6d SHA-256: 1a92ff692ec74b9cc033ccc1bea99ba1756989a0497003a59bd63fc87d1f3d30
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a 'PDF_SEO_LINK_FARM' heuristic. One of these links points to a known malicious redirector, 'https://ttraff.ru/pify?keyword=evocative+objects+turkle+pdf'. The presence of numerous external links, including those hosted on Shopify, suggests an attempt to manipulate search results or distribute further malicious content. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=evocative+objects+turkle+pdf
    • http://files.dollysgallery.com/uploads/1/3/1/3/131383837/zunemoweg.pdf
    • http://files.advancedaccounting.services/uploads/1/3/1/4/131406222/dc381a8671f4a.pdf
    • http://files.jacksonandthepoolsharks.com/uploads/1/3/2/8/132814050/8029508.pdf
    • http://fuwipive.familyreunion21.com/uploads/1/3/1/3/131384281/7fb0268e2.pdf
    • http://nidet.rescuetheunderdog.com/uploads/1/3/1/8/131871478/nizowimebiv-konewotenizov-lujutesujiw-fupivomodafoxal.pdf
    • https://cdn.shopify.com/s/files/1/0431/2514/5760/files/75949765244.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53059057271.pdf
    • https://cdn.shopify.com/s/files/1/0435/5158/8507/files/21945083658.pdf
    • https://cdn.shopify.com/s/files/1/0434/5787/2033/files/cetoconazol_creme_sobral_bula.pdf
    • https://cdn.shopify.com/s/files/1/0434/5652/8541/files/amenaza_de_aborto_tratamiento.pdf
    • https://cdn.shopify.com/s/files/1/0429/9236/9823/files/soxuxikifetojoredufap.pdf
    • https://cdn.shopify.com/s/files/1/0429/0917/1879/files/nekerugatogogaruve.pdf
    • https://cdn.shopify.com/s/files/1/0432/8698/6908/files/22201059884.pdf
    • https://cdn.shopify.com/s/files/1/0433/4593/6534/files/45361149276.pdf
    • https://cdn.shopify.com/s/files/1/0431/8907/6117/files/pediatric_anesthesia_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0434/4987/6641/files/javascript_remove_punctuation.pdf
    • https://cdn.shopify.com/s/files/1/0437/1234/8315/files/mastoidite_aguda.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_off00006661.bin
805324fd5a1ca39ce6f95f4b64d508c86972666bdb86339b5a7e133486bcd032
pdf-font-stream PDF embedded font (sfnt) at offset 0x6661 5448 bytes
font_01_sfnt_off00007905.bin
124c8bcd9811cef9d3fbbe5dd8953ec33f8eb5cebc094fabb6847d0c02bdb4cb
pdf-font-stream PDF embedded font (sfnt) at offset 0x7905 10352 bytes