Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ed407ad980505f6…

MALICIOUS

PDF

49.5 KB Created: 2020-08-07 05:57:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: e252ada3205eb9c3909f3dae6b8f6e18 SHA-1: f80df86184baacc0155aae3c0b5819eb18eaa477 SHA-256: 3ed407ad980505f6ef79d7cc66b2db84cc24c9a5b22a4cc1b8b42aea6c7e24d2
142 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF document contains multiple embedded links, with one pointing to a known malicious redirector. The document body text and heuristics indicate a lure for downloading content, likely to redirect the user to malicious infrastructure. The presence of a QR code lure further supports a phishing or social engineering attack vector.

Heuristics 4

  • 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.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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=internet+of+things+ppt+pdf+download
    • http://files.wideworldofc.com/uploads/1/3/1/4/131438423/defujutut_rotupugo.pdf
    • http://files.brendachrystie.com/uploads/1/3/2/7/132741476/zeraje-telozusivexogut.pdf
    • http://files.healthybeautyenergy.com/uploads/1/3/0/7/130775982/maranif.pdf
    • https://cdn.shopify.com/s/files/1/0433/4141/4552/files/83277511262.pdf
    • https://cdn.shopify.com/s/files/1/0430/7881/1797/files/73000334890.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sividejujim.pdf
    • https://cdn.shopify.com/s/files/1/0429/9954/6010/files/kalivegewujewodotupob.pdf
    • https://cdn.shopify.com/s/files/1/0433/8017/9109/files/safety_management_system_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/6855/5415/files/27290919899.pdf
    • https://cdn.shopify.com/s/files/1/0429/2139/4343/files/busqueda_y_seleccion_de_informacion.pdf
    • https://cdn.shopify.com/s/files/1/0434/6026/4096/files/basic_english_words.pdf
    • https://cdn.shopify.com/s/files/1/0430/3860/5461/files/18829578937.pdf
    • https://cdn.shopify.com/s/files/1/0434/4102/9276/files/rizixudopa.pdf
    • https://cdn.shopify.com/s/files/1/0438/9535/7595/files/80004723289.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005d9a.bin
c80b935bb2e72fbf0bb54bead4dcf673e2ee9ff5a06d35ab91e29c0786333a85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D9A 1696 bytes
font_01_sfnt_off000065c4.bin
70b98fb40ec67c0ad6ff83d44d4a9cfac2b504b7f162ed251253586a206fdbef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65C4 5332 bytes
font_02_sfnt_off000077fa.bin
dc5c93568d18e56d52850a815deb69f4a726c3d874784d37f4ba177dbe632d75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77FA 13888 bytes
font_03_sfnt_off0000a3be.bin
bfc441d837b7b3b6e145db50ef40ca26079b22b75b7d4883bc21c88ef510c1a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA3BE 16092 bytes

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