Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2a9913f47335255…

MALICIOUS

PDF

46.8 KB Created: 2020-07-30 01:06:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8bd26f3c310a4eeee539a27f325bce2c SHA-1: b30dbc8d6e941cac5a67ae37b719fb5e5567d936 SHA-256: c2a9913f47335255ea60019c90a77519ea6f4ff64c0b6182c03cb5cd30bc40ba
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating these links point to known malicious redirector infrastructure. The document body, though partially corrupted, suggests a lure related to 'Ibps so recruitment 2020 notification pdf'. The primary malicious IOC is the ttraff.ru redirector URL, which is likely used to funnel victims to further malicious content.

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=ibps+so+recruitment+2020+notification+pdf
    • http://files.ethnomusicologyinaction.org/uploads/1/3/2/7/132740804/d8611b64.pdf
    • http://files.thepartystoremt.com/uploads/1/3/1/4/131438604/1960365.pdf
    • http://files.italycyclingtours.com/uploads/1/3/1/4/131438692/6234364.pdf
    • http://files.kikiadami.com/uploads/1/3/1/4/131437064/gonale_xemafa_wijig.pdf
    • https://cdn.shopify.com/s/files/1/0432/5621/7750/files/gabemot.pdf
    • https://cdn.shopify.com/s/files/1/0431/4093/9933/files/16919761090.pdf
    • https://cdn.shopify.com/s/files/1/0432/3901/4562/files/mejiwimulevusenewikebok.pdf
    • https://cdn.shopify.com/s/files/1/0430/9634/2695/files/68697519378.pdf
    • https://cdn.shopify.com/s/files/1/0431/5083/5876/files/48878013297.pdf
    • https://cdn.shopify.com/s/files/1/0427/9179/6902/files/90678893116.pdf
    • https://cdn.shopify.com/s/files/1/0429/8145/8069/files/73561134410.pdf
    • https://cdn.shopify.com/s/files/1/0427/9681/0396/files/60390158236.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gofifarigomikidapowokov.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/11383010616.pdf
    • https://cdn.shopify.com/s/files/1/0438/4695/9261/files/vowokurimuvefikamafexi.pdf
    • https://cdn.shopify.com/s/files/1/0433/6753/0657/files/mijino.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_off000079ba.bin
f98cb21e05c858fb948cf1dc59ad0100979a2bd639ba04056bdc7aa4f4bc12cd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79BA 5504 bytes
font_01_sfnt_off00008c47.bin
687a1bdc20110a0f5437fffcd6691cf9ea272f7a92962ab4cb1678c9492ca69e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8C47 9796 bytes

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