Malicious PDF — malware analysis report

Static analysis result for SHA-256 59229f8c0733e961…

MALICIOUS

PDF

35.2 KB Created: 2020-08-30 15:05:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8fad64e09dbc41fc0c6717694ae4f580 SHA-1: 1933b6bf74f1f4e13ec7f18f50cd10b140d839ef SHA-256: 59229f8c0733e961d283ce38b94129d8f6b4730ae92a33a606e8bf5fae3b3ae7
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a PDF link farm. One of these links, 'https://ttraff.cc/wix?keyword=amber+lynn+bach+seduced+by+a+cougar', points to a known malicious redirector. The document body also contains this URL, suggesting a lure to potentially malicious content or a phishing attempt.

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/wix?keyword=amber+lynn+bach+seduced+by+a+cougar
    • https://cdn.shopify.com/s/files/1/0434/3765/4178/files/sparkle_brush_photoshop_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/3925/1870/files/69915487794.pdf
    • https://cdn.shopify.com/s/files/1/0464/7665/6790/files/linutovasogonizu.pdf
    • https://cdn.shopify.com/s/files/1/0433/7536/2198/files/gobopesolevowotarupewe.pdf
    • https://cdn.shopify.com/s/files/1/0429/2804/6233/files/falitufatosorokakutotono.pdf
    • https://cdn.shopify.com/s/files/1/0429/9656/4131/files/article_spinner_apk.pdf
    • https://cdn.shopify.com/s/files/1/0435/4929/4756/files/copy_vector_c.pdf
    • https://cdn.shopify.com/s/files/1/0437/0730/2037/files/el_sedentarismo_causas_y_consecuencias.pdf
    • https://cdn.shopify.com/s/files/1/0464/7701/7238/files/99338488511.pdf
    • https://static.usrfiles.com/ugd/b8c837_299a3e39a91c4c3b8257f1dfa1f843e5.pdf
    • https://static.usrfiles.com/ugd/e1c37d_bf407f7f7a9a4863827034fbd5513307.pdf
    • https://static.usrfiles.com/ugd/b8c837_5e0003f6df384570a96f39d9c6e2e33e.pdf
    • https://static.usrfiles.com/ugd/b8c837_ee299560ee4442fbb99473f9bbd577f1.pdf
    • https://static.usrfiles.com/ugd/b8c837_3ae4f811cf4746fdb013b52745dcf53f.pdf
    • https://cdn.shopify.com/s/files/1/0434/9971/6770/files/68884540852.pdf
    • https://cdn.shopify.com/s/files/1/0430/8900/2645/files/jokubuvamilet.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_off00004aad.bin
795e58b290b5c6082ca075fe25f961fea3e7a1d8339eab4455e8fb034ffd4931		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4AAD 5584 bytes
font_01_sfnt_off00005d6c.bin
4fec743c7b60acf1977e51c8438364fa1fd9bf0a80b86606c9d2c5883577dc01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D6C 10216 bytes

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