Malicious PDF — malware analysis report

Static analysis result for SHA-256 fff07f6909f1c998…

MALICIOUS

PDF

57.9 KB Created: 2020-08-02 11:43:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 57a63b6a9cbc548a1c870761f714a76b SHA-1: 6dc53a3b57997959708e4a08512d1543fab582ea SHA-256: fff07f6909f1c998f49a101ba5de61385d8a2ea2705b4b4c3a31914146f87b93
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.cc', which is used in conjunction with a 'black swan netflix' lure. The document also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The primary malicious URL is https://ttraff.cc/pify?keyword=black+swan+netflix, which likely serves as the initial stage for a phishing or malware distribution campaign.

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=black+swan+netflix
    • http://files.aureliotobias.com/uploads/1/3/0/7/130739340/16513a8288e9.pdf
    • http://files.houseofmosaicaruba.com/uploads/1/3/1/4/131437453/9093242.pdf
    • http://files.paradiseprintsfashion.com/uploads/1/3/2/8/132813998/443a6.pdf
    • http://files.socalenduroseries.com/uploads/1/3/1/6/131606360/wanigefuwupugez.pdf
    • https://cdn.shopify.com/s/files/1/0429/6504/1308/files/lenoriloze.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nuvororixepexovi.pdf
    • https://cdn.shopify.com/s/files/1/0430/2598/9785/files/panamajoxuwekuvesixiba.pdf
    • https://cdn.shopify.com/s/files/1/0435/5624/1557/files/87299736511.pdf
    • https://cdn.shopify.com/s/files/1/0430/7792/7072/files/61170209935.pdf
    • https://cdn.shopify.com/s/files/1/0432/2613/6743/files/monster_rancher_2_rom.pdf
    • https://cdn.shopify.com/s/files/1/0434/5053/2001/files/kolubojeseposokofufa.pdf
    • https://cdn.shopify.com/s/files/1/0440/8321/6549/files/jegujubigakuf.pdf
    • https://cdn.shopify.com/s/files/1/0432/9517/8902/files/20264214536.pdf
    • https://cdn.shopify.com/s/files/1/0437/7709/7886/files/belusojuragujer.pdf
    • https://cdn.shopify.com/s/files/1/0435/0191/2224/files/37166701468.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_off00008f35.bin
7e8ef365cad6b8a5a13f44654c81661bd9bd4f507698baa4e23205a6042ff53a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F35 5052 bytes
font_01_sfnt_off0000a096.bin
6461550366cdb9f648abd6b9eeeab1b11a3dfeb5d7f96ba7da958ab76d210409		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA096 10544 bytes
font_02_sfnt_off0000c4d4.bin
49305678ddc3927704cfc02727af5b4cbe1f68391941cda107b671ce7b1f30d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC4D4 16184 bytes

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