Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb7c48562c26872e…

MALICIOUS

PDF

40.2 KB Created: 2020-08-01 08:04:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 670e923de8dbb577ddd299dcdc1264eb SHA-1: 99a80d4fe30a2e37060bef1d903728f9a4b46654 SHA-256: fb7c48562c26872eb34392befddb76488fd52058a9ce74d8360f8f33a4892b14
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=zumba+sculpt+and+tone'. This URL is embedded within the document body, suggesting an attempt to lure the user to a malicious site under the guise of fitness content. The PDF also exhibits characteristics of a link farm, with numerous external links, many hosted on cdn.shopify.com, further supporting the malicious intent.

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=zumba+sculpt+and+tone
    • http://files.gwcservices.org/uploads/1/3/2/3/132302992/tobewutasatofod_pafidulapikexik_metomu.pdf
    • http://files.castingroots.com/uploads/1/3/0/7/130774964/dusel-verusodo-wamipowafusara.pdf
    • http://files.prgwellness.com/uploads/1/3/0/8/130814605/c369d8.pdf
    • http://files.theretreatatmillerslanding.com/uploads/1/3/2/6/132681617/fb4287ee12.pdf
    • http://files.omsteadsonerie.com/uploads/1/3/1/4/131438567/bimoma-puvop-nixaziboso-wuwavivegoju.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20011772627.pdf
    • https://cdn.shopify.com/s/files/1/0440/7623/6950/files/nukeg.pdf
    • https://cdn.shopify.com/s/files/1/0433/0595/9574/files/78087521802.pdf
    • https://cdn.shopify.com/s/files/1/0439/0807/1576/files/54507018612.pdf
    • https://cdn.shopify.com/s/files/1/0431/7075/8820/files/xetiwizatabetexafodo.pdf
    • https://cdn.shopify.com/s/files/1/0433/9331/9079/files/64853812087.pdf
    • https://cdn.shopify.com/s/files/1/0439/4365/7627/files/98534032534.pdf
    • https://cdn.shopify.com/s/files/1/0428/4389/8019/files/fogefimewabebixi.pdf
    • https://cdn.shopify.com/s/files/1/0436/2059/7922/files/16957696856.pdf
    • https://cdn.shopify.com/s/files/1/0438/8870/5688/files/kofipibofopapu.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dedepisolutiri.pdf
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/35467773580.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_off000056a4.bin
f86ad96c9568d1c31da2934e28d6cbcb8366781bf248063d954480fc40e41b4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56A4 5220 bytes
font_01_sfnt_off0000684f.bin
c056b5f4d3363b8a2a72bae0a7e85fde30c76365db74787d0b429a32b7472d01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x684F 14056 bytes

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