Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e1e6366d51a8780…

MALICIOUS

PDF

44.9 KB Created: 2020-08-19 11:56:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5fa213dfb2eecabdcf2295b864f5d2f6 SHA-1: e511730b31148e5b962a80df75db66687a2db824 SHA-256: 1e1e6366d51a8780f2d6f9ad98678ed8ef4529c5aec9a77b0d399179ec39caf5
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 document body, though partially corrupted, contains text related to 'Heist gta v online guide' and the malicious URL, suggesting a lure to trick users into clicking. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a link to known malicious infrastructure.

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.com/pify?keyword=heist+gta+v+online+guide
    • http://voxigumik.mirrabliss.com/uploads/1/3/1/4/131406950/firoz.pdf
    • http://files.thepaintedjackalope.com/uploads/1/3/1/4/131452903/a1c622.pdf
    • https://cdn.shopify.com/s/files/1/0452/1361/4240/files/a_week_in_the_woods_full_book.pdf
    • https://cdn.shopify.com/s/files/1/0427/9736/7452/files/26495008453.pdf
    • https://cdn.shopify.com/s/files/1/0429/6704/0154/files/32166983924.pdf
    • https://cdn.shopify.com/s/files/1/0435/2871/6439/files/tovofikep.pdf
    • https://cdn.shopify.com/s/files/1/0431/8317/7885/files/2835643428.pdf
    • https://cdn.shopify.com/s/files/1/0433/4659/1903/files/wudoketi.pdf
    • https://cdn.shopify.com/s/files/1/0433/7814/7491/files/paxeguroniruvituzalowiz.pdf
    • https://cdn.shopify.com/s/files/1/0429/4151/3895/files/namp_meat_buyers_guide.pdf
    • https://cdn.shopify.com/s/files/1/0428/0342/9535/files/ignou_application_form.pdf
    • https://cdn.shopify.com/s/files/1/0431/3242/0250/files/79443600567.pdf
    • https://cdn.shopify.com/s/files/1/0437/5930/4865/files/survival_hunter_icy_veins.pdf
    • https://cdn.shopify.com/s/files/1/0434/3952/1958/files/20487901441.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_off00006809.bin
f45042a586b31117f9e3071460b8be76345b70102b800ed3a8be6625f5b8848e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6809 4920 bytes
font_01_sfnt_off000078db.bin
68f7ec4c9b48a5190d2f95419c88c27a250dcea8d9a5c7febe6e7c8c212ea9ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x78DB 14660 bytes

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