Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb86d82452358d39…

MALICIOUS

PDF

58.3 KB Created: 2020-08-31 21:14:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c0e69e73f8f3eec648b50c7684bbfa5 SHA-1: db3ea6ad836eca4347b5583935d2e68f4574eb72 SHA-256: bb86d82452358d39f96a0be2e8af81941be8873e4cadfbdf249cab88789306e2
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/wix?keyword=camera+360+for+pc+apk'. The document body also contains this URL, suggesting a lure to download potentially unwanted software. The presence of a PDF link farm further indicates an attempt to manipulate search engine results or distribute content broadly.

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/wix?keyword=camera+360+for+pc+apk
    • https://cdn.shopify.com/s/files/1/0432/1850/1799/files/dear_santa_letter_template_for_kindergarten.pdf
    • https://cdn.shopify.com/s/files/1/0434/5777/3725/files/17243041659.pdf
    • https://cdn.shopify.com/s/files/1/0454/7431/6454/files/13357989854.pdf
    • https://static.usrfiles.com/ugd/b8c837_7c4bcfd4219a421899f64d8d8e73d6f7.pdf
    • https://static.usrfiles.com/ugd/3b7182_067cf9e2387f455eb78e5f912fca7a5b.pdf
    • https://static.usrfiles.com/ugd/de3d83_0082bc68f4094b64ae30c450b13ba94c.pdf
    • https://static.usrfiles.com/ugd/f09a9d_564ca1eb7bb34360b3362c7fe4a0ba7b.pdf
    • https://static.usrfiles.com/ugd/e8506d_67191fe09d68497280a792063d6bff40.pdf
    • https://static.usrfiles.com/ugd/a76634_a8faee9bbeb34bd9a2db3d7a90fe75bf.pdf
    • https://cdn.shopify.com/s/files/1/0437/3177/9738/files/zombie_catchers_apk_apkpure.pdf
    • https://cdn.shopify.com/s/files/1/0432/1283/2932/files/85942105985.pdf
    • https://cdn.shopify.com/s/files/1/0462/7254/4917/files/sonakejodemasef.pdf
    • https://cdn.shopify.com/s/files/1/0429/4439/7468/files/jivopopusopet.pdf
    • https://cdn.shopify.com/s/files/1/0437/2001/6021/files/sparkle_brush_photoshop_cs6_free.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007390.bin
d73ac7e9a45d61108ebe6ed4532290483eddfbba2f6757f3add341bd577f9275		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7390 16032 bytes
font_01_sfnt_off0000a6e2.bin
0ba4871abe84b2d7a4bfc1e080f088d1cf5c195123274cb77bce78723111fe71		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA6E2 5380 bytes
font_02_sfnt_off0000b911.bin
f6629c7335d18977b9ba87d7a5434b24b9c8173d1d3e40804c41ede109038a8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB911 10496 bytes

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