Malicious PDF — malware analysis report

Static analysis result for SHA-256 385a1373cb21d433…

MALICIOUS

PDF

65.8 KB Created: 2020-08-08 17:19:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8800d1e778c2c44fb1805dca6b6c80ef SHA-1: e76154f86a5d1a518bf5432983166c0311e4ac82 SHA-256: 385a1373cb21d433906de44216b81d1942de054a1352863fd30f1196debb87be
120 Risk Score

Malware Insights

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

The PDF contains numerous links, with a critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'The little book of life after death pdf' and the malicious URL. This suggests a social engineering tactic to trick users into visiting a malicious site, likely for further exploitation or credential harvesting.

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=the+little+book+of+life+after+death+pdf
    • http://files.lookylamb.org/uploads/1/3/1/8/131856270/jigofopubos.pdf
    • http://files.thesportscardguy.com/uploads/1/3/0/8/130874566/kujuto-kotototunaxas-tuterubofaxakas-jumatajenatu.pdf
    • http://files.shrewsburycobblershop.com/uploads/1/3/1/4/131406714/b2158d5f1001b5.pdf
    • https://cdn.shopify.com/s/files/1/0429/7857/4490/files/letipesexidepakararizavax.pdf
    • https://cdn.shopify.com/s/files/1/0433/9505/5766/files/fajod.pdf
    • https://cdn.shopify.com/s/files/1/0433/4393/7690/files/neninaxupowuwinuza.pdf
    • https://cdn.shopify.com/s/files/1/0433/5989/5717/files/nikulorebake.pdf
    • https://cdn.shopify.com/s/files/1/0439/2216/1832/files/dibujarte_coleccion_completa.pdf
    • https://cdn.shopify.com/s/files/1/0432/5038/5051/files/4405584059.pdf
    • https://cdn.shopify.com/s/files/1/0438/7602/4475/files/jazidewibur.pdf
    • https://cdn.shopify.com/s/files/1/0432/9593/2574/files/37208467765.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xatet.pdf
    • https://cdn.shopify.com/s/files/1/0432/1925/5454/files/static_banking_awareness_bankers_adda.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26965864763.pdf
    • https://cdn.shopify.com/s/files/1/0432/4891/0491/files/tovenuxalefokemumumo.pdf
    • https://cdn.shopify.com/s/files/1/0433/7968/7574/files/d_d_saving_throws.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_off0000c3f5.bin
54a6d321d0407c0f1107bdfe583fc285b32466866a14b0884a390578f9d23a24		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC3F5 5104 bytes
font_01_sfnt_off0000d543.bin
556996588c617e72a4c3b2385e0e6b7939b25c90ed39daf42fc577f0d57251ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD543 10832 bytes

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