Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9a9b2c7968c77e1…

MALICIOUS

PDF

48.9 KB Created: 2020-08-21 16:55:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff3280efb9e8157960bd8a6fc6f98820 SHA-1: d57cc1e62283104086aa35f160436e2f73f74376 SHA-256: a9a9b2c7968c77e194a43567f563f6f2625e13b852f358cb3c52d74f690e8d94
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The embedded URL 'https://ttraff.cc/pify?keyword=carry+on+jatta+2+720p++worldfree4u' is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to movie downloads, reinforcing the lure. The presence of numerous external PDF links suggests an attempt to manipulate search engine results or distribute 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.cc/pify?keyword=carry+on+jatta+2+720p++worldfree4u
    • http://mutozopiw.danawensley.com/uploads/1/3/1/6/131606457/6834412.pdf
    • http://pigovalow.saltybonedivers.com/uploads/1/3/0/9/130969742/2163e1f7873e.pdf
    • http://gopixuju.strongbodies.org/uploads/1/3/1/4/131437792/dadoposiju_sapemixineni.pdf
    • http://files.freakdiscgolfco.com/uploads/1/3/0/7/130740465/8efed1829eaa7.pdf
    • http://files.honeybeetreasure.com/uploads/1/3/0/7/130775434/5ea984b04d49f2.pdf
    • https://cdn.shopify.com/s/files/1/0434/0069/1862/files/47852315632.pdf
    • https://cdn.shopify.com/s/files/1/0430/8228/5216/files/jelogufawuraza.pdf
    • https://cdn.shopify.com/s/files/1/0431/3818/7413/files/baby_cloth_pattern.pdf
    • https://cdn.shopify.com/s/files/1/0438/4981/0080/files/multiplicative_inverse_of_complex_numbers_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0428/2672/7580/files/barefoot_investor_2020_audible.pdf
    • https://cdn.shopify.com/s/files/1/0430/7661/6353/files/nupinimisimoredoragewujo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/64989875230.pdf
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/42834417877.pdf
    • https://cdn.shopify.com/s/files/1/0438/5816/5925/files/tanka_poetry_example.pdf
    • https://cdn.shopify.com/s/files/1/0435/9431/7981/files/75356232907.pdf
    • https://cdn.shopify.com/s/files/1/0428/4963/2412/files/49586994884.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_off000074da.bin
b0803425b081a45fb8f15997ee7db0e0a3c59d3909390cddd42b244212ca6c5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74DA 5476 bytes
font_01_sfnt_off000087b5.bin
52ad0822ca2bcea4fe5a8133876f895f3b43bac35a72ceb1470328582d10a583		 pdf-font-stream PDF embedded font (sfnt) at offset 0x87B5 14208 bytes

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