Malicious PDF — malware analysis report

Static analysis result for SHA-256 46ae4ec965614e72…

MALICIOUS

PDF

47.0 KB Created: 2020-08-10 11:11:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3cd5a13bbced2c25fa37de7a679b0bec SHA-1: 7876e170be19c1607af8529cefe13008ff34a089 SHA-256: 46ae4ec965614e725e4c29ae9d915dfea71221cc7d9d1b0b5bf2ef7b96468809
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'roller bearing types pdf' and the malicious URL, suggesting a lure to disguise the malicious intent. The presence of a malicious redirector link indicates the document is likely part of a phishing or malware distribution chain.

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=roller+bearing+types+pdf
    • http://files.womenatworkco.com/uploads/1/3/1/8/131872269/sibisepoz.pdf
    • http://files.jorgehuertaphotography.com/uploads/1/3/1/4/131438708/2357350.pdf
    • http://jisekura.bestkids.org/uploads/1/3/1/3/131398140/6334555.pdf
    • http://wurodapu.threelapparel.com/uploads/1/3/0/7/130775612/mokijenizifuritu.pdf
    • https://cdn.shopify.com/s/files/1/0431/7826/2689/files/happy_wheels_android.pdf
    • https://cdn.shopify.com/s/files/1/0440/9825/7048/files/irish_bouzouki_chord_bible.pdf
    • https://cdn.shopify.com/s/files/1/0434/0822/8508/files/sullivan_algebra_and_trigonometry_8th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0435/1646/1211/files/72946944919.pdf
    • https://cdn.shopify.com/s/files/1/0429/6222/3263/files/81684156613.pdf
    • https://cdn.shopify.com/s/files/1/0430/1458/6517/files/xarofafepenuludobufijir.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gomejalubewetilukifij.pdf
    • https://cdn.shopify.com/s/files/1/0431/4382/3511/files/buduxezev.pdf
    • https://cdn.shopify.com/s/files/1/0437/8450/3453/files/adios_nonino_bandoneon.pdf
    • https://cdn.shopify.com/s/files/1/0431/3926/8770/files/pawumenib.pdf
    • https://cdn.shopify.com/s/files/1/0435/1390/5311/files/50872390503.pdf
    • https://cdn.shopify.com/s/files/1/0429/7680/5013/files/rofifabonemofanoti.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_off00007aa3.bin
72ce8c64d422c5112d816d6e0000848c2530ea491aee283efa7e32b1f545749f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7AA3 5460 bytes
font_01_sfnt_off00008d4b.bin
3fd44b3ebc06f827bc07cea971a4b1e9e6bf73950c522e0ed1a3b06da0640865		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8D4B 9948 bytes

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