Malicious PDF — malware analysis report

Static analysis result for SHA-256 1aaaeadcf0335926…

MALICIOUS

PDF

48.6 KB Created: 2020-08-20 03:22:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bdf4cbb3450477108c02fc890bfabc26 SHA-1: 5b96af3c4cf1e60d2b593fc0ff5973ba717d7f0a SHA-256: 1aaaeadcf03359264ac9e85ee02f57e33a9e9518482b9498dd30109502c1de33
150 Risk Score

Malware Insights

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

The PDF contains a high density of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL. This suggests a phishing or social engineering attack aiming to redirect the user to malicious content via the ttraff.cc domain.

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.cc/pify?keyword=australia+political+map+outline+pdf
    • http://vidodafuk.ethancranke.com/uploads/1/3/2/3/132303382/8807909.pdf
    • http://files.mcblamentertainment.com/uploads/1/3/2/6/132695782/lewevejav.pdf
    • http://files.oldhamwayultra.co.uk/uploads/1/3/0/7/130775518/buvetozivutub.pdf
    • https://cdn.shopify.com/s/files/1/0432/4173/4301/files/california_fire_report_map.pdf
    • https://cdn.shopify.com/s/files/1/0437/9607/0560/files/lenejewojikutijeloxara.pdf
    • https://cdn.shopify.com/s/files/1/0432/8210/4478/files/xegib.pdf
    • https://cdn.shopify.com/s/files/1/0440/9124/4696/files/barbara_cartland_books.pdf
    • https://cdn.shopify.com/s/files/1/0429/8113/0394/files/suvagukolukovunafujigejar.pdf
    • https://cdn.shopify.com/s/files/1/0438/1035/7405/files/capital_markets_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/9170/5500/files/82504663294.pdf
    • https://cdn.shopify.com/s/files/1/0432/4796/0232/files/how_to_darken.pdf
    • https://cdn.shopify.com/s/files/1/0429/2752/1948/files/63137114473.pdf
    • https://cdn.shopify.com/s/files/1/0427/8861/8396/files/12019697310.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dagezaluvonanapukinuwit.pdf
    • https://cdn.shopify.com/s/files/1/0430/2284/4067/files/lozadukeluzudipaburuzu.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_off00007e58.bin
a242fa448593a7b6053150c3524338fe497774519fd0ecaba04285dabdca2a50		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E58 5288 bytes
font_01_sfnt_off00009037.bin
ffc8b846d336ac2d50cb395e6ce4d3c079e3609888e8cb43a109cf0fae0aa1be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9037 11088 bytes

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