Malicious PDF — malware analysis report

Static analysis result for SHA-256 3262618a3bcea20c…

MALICIOUS

PDF

32.9 KB Created: 2020-08-18 19:39:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8048e63c82ec2692000af0219fed771a SHA-1: bb6e0b7e8d083b958b92424847e1a7e017221b9e SHA-256: 3262618a3bcea20ccfe01bc4df68071e041c6c8364bcf3508e73a17a8d252c01
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=chhota+bheem+video+tamil'. Additionally, it exhibits a PDF link farm heuristic, embedding numerous external PDF links, with a dominant host of 'cdn.shopify.com'. The document body, though partially corrupted, contains the lure text 'Chhota bheem video tamil' and the malicious URL, suggesting a social engineering attack to redirect users to potentially harmful 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.cc/pify?keyword=chhota+bheem+video+tamil
    • http://tagobuzaf.spartanleadershipgroup.com/uploads/1/3/0/8/130874285/kisire-nezubabapu.pdf
    • http://kikomuzob.mingateachers.org/uploads/1/3/1/4/131482995/7545914.pdf
    • http://xubog.certifiedpipeservice.com/uploads/1/3/2/8/132816066/9897963.pdf
    • https://cdn.shopify.com/s/files/1/0433/3142/0314/files/kaferovu.pdf
    • https://cdn.shopify.com/s/files/1/0429/2601/4620/files/57465288656.pdf
    • https://cdn.shopify.com/s/files/1/0431/0469/8535/files/bigizimedisatezunapapoxux.pdf
    • https://cdn.shopify.com/s/files/1/0434/4404/3943/files/hello_brother_telugu_songs_free_320kbps.pdf
    • https://cdn.shopify.com/s/files/1/0437/1428/1625/files/26700927163.pdf
    • https://cdn.shopify.com/s/files/1/0430/3549/2503/files/zakuju.pdf
    • https://cdn.shopify.com/s/files/1/0431/3609/0269/files/sample_agreement_contract_between_two_parties.pdf
    • https://cdn.shopify.com/s/files/1/0435/4100/4439/files/15945292353.pdf
    • https://cdn.shopify.com/s/files/1/0431/6885/8272/files/senafagawof.pdf
    • https://cdn.shopify.com/s/files/1/0440/6594/7800/files/bahubali_songs_2_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/2873/3352/files/5910101828.pdf
    • https://cdn.shopify.com/s/files/1/0427/5830/8006/files/enchanted_alethea_kontis_espaol.pdf
    • https://cdn.shopify.com/s/files/1/0432/8760/9497/files/kebasisemuxowefubitopa.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_off00004602.bin
5274733bde95d243474ce42c6f2f22f12dd981cb4f878491f04f04c859c12d53		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4602 4896 bytes
font_01_sfnt_off0000568f.bin
bf3ef57cc220e9422d5c93fb3009db4ef1eb5b0e9131b290b4a57ce5e28411a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x568F 9504 bytes

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