Malicious PDF — malware analysis report

Static analysis result for SHA-256 d68e14ccb1113481…

MALICIOUS

PDF

44.0 KB Created: 2020-08-12 01:03:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a1c76170df8513c95569da2f3c5e65cd SHA-1: ab187e54659145194307e043f0561ac1daa2311a SHA-256: d68e14ccb111348105195d4158b010c8107d35df9eaceb2509db68918725f9b0
150 Risk Score

Malware Insights

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

The PDF document is designed to appear as a technical manual, likely as a lure to trick users into clicking embedded links. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that one of the links, specifically https://ttraff.com/pify?keyword=toyota+automatic+transmission+repair+manual+pdf, points to known malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm or redirection scheme. The ML_NYX_PDF_MALICIOUS score further supports the malicious nature of this document.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=toyota+automatic+transmission+repair+manual+pdf
    • http://files.landmark165.com/uploads/1/3/2/7/132712185/tilidajizigukiz.pdf
    • http://files.mysticpointwatersports.com/uploads/1/3/2/7/132712306/9761494.pdf
    • http://files.greendrakeoutdoors.com/uploads/1/3/1/3/131380786/95ebe0.pdf
    • http://nogisowe.buzzsonofabee.com/uploads/1/3/1/4/131407406/wesunanogovol.pdf
    • https://cdn.shopify.com/s/files/1/0437/7051/1521/files/anemia_dieta.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30408896218.pdf
    • https://cdn.shopify.com/s/files/1/0430/4030/9402/files/divexuxafarapififor.pdf
    • https://cdn.shopify.com/s/files/1/0432/4042/3587/files/gatibipotaninadesanesawo.pdf
    • https://cdn.shopify.com/s/files/1/0434/4007/9005/files/5291440176.pdf
    • https://cdn.shopify.com/s/files/1/0433/8096/5534/files/musculo_agonista_definicion.pdf
    • https://cdn.shopify.com/s/files/1/0431/2681/6932/files/kuwulo.pdf
    • https://cdn.shopify.com/s/files/1/0434/8477/4552/files/fekezodevoboreg.pdf
    • https://cdn.shopify.com/s/files/1/0429/5619/3955/files/xizaferinipogofivaxe.pdf
    • https://cdn.shopify.com/s/files/1/0432/3488/5796/files/10259051397.pdf
    • https://cdn.shopify.com/s/files/1/0435/7177/3601/files/kujozuvaziradewuzosan.pdf
    • https://cdn.shopify.com/s/files/1/0436/4949/9289/files/23778142711.pdf
    • https://cdn.shopify.com/s/files/1/0437/8099/7269/files/multifactorial_genetic_disorders.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/
    • https://cdn.shopify.com/s/files/1/0433/8096/5534/files/musculo_agonist

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006113.bin
d1e51fde057a92c36da3a5a594cf6b8a0215fe1632b41c5706489cffb32f0d26		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6113 5232 bytes
font_01_sfnt_off000072c6.bin
313b41d938e031ce8c5862a760272d877045d0fa62a0c6f07a9378124d290fe5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72C6 9808 bytes
font_02_sfnt_off00009432.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9432 4324 bytes

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