Malicious PDF — malware analysis report

Static analysis result for SHA-256 fec391da9e9e9c45…

MALICIOUS

PDF

45.8 KB Created: 2020-08-20 19:04:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3d70f4a501d1a5e5d2512216261a9c8b SHA-1: 4d8283562c9311aa83a54578dcc2c5edc85ee592 SHA-256: fec391da9e9e9c4520519732c5f1a745e0a3bb50f55468dbf942adcf5e508726
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=pink+panther+clarinet+sheet'. Additionally, it exhibits a PDF link farm pattern with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same malicious URL and several other PDF links, reinforcing the lure. The primary intent appears to be redirecting the user to a malicious site via the ttraff.com URL.

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=pink+panther+clarinet+sheet
    • http://files.vonderhauswulfgermanshepherd.com/uploads/1/3/0/8/130813797/fivepeno.pdf
    • http://files.macombbattingcages.com/uploads/1/3/1/3/131383247/dozopegujumem_mepemeku.pdf
    • http://files.drawntohumor.com/uploads/1/3/1/4/131453706/7244196.pdf
    • http://files.affiliatedfoundation.com/uploads/1/3/1/1/131164424/906845.pdf
    • https://cdn.shopify.com/s/files/1/0434/0183/8757/files/57931780834.pdf
    • https://cdn.shopify.com/s/files/1/0436/1800/9250/files/81662395265.pdf
    • https://cdn.shopify.com/s/files/1/0428/6211/7031/files/53185158153.pdf
    • https://cdn.shopify.com/s/files/1/0434/5643/0230/files/asphalt_6_apkparadise.pdf
    • https://cdn.shopify.com/s/files/1/0429/0487/9271/files/sejapagozafamo.pdf
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/51276059605.pdf
    • https://cdn.shopify.com/s/files/1/0432/7689/4372/files/carbon_footprint_activity.pdf
    • https://cdn.shopify.com/s/files/1/0431/7364/2406/files/oath_of_the_ancients_paladin_5e.pdf
    • https://cdn.shopify.com/s/files/1/0433/6690/8054/files/53691801165.pdf
    • https://cdn.shopify.com/s/files/1/0432/1142/3912/files/xanizuvogowimurinabita.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_off00005d6b.bin
2acc98c86bd758a53a52e477b370aeb18907d5acbb5853e09f0c976939c628e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D6B 4764 bytes
font_01_sfnt_off00006d74.bin
24bbe5d344ee74fafc619c174f6bd0b16f543740355983e81cf5fe2f049721c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D74 14800 bytes
font_02_sfnt_off00009c80.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C80 4324 bytes

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