Malicious PDF — malware analysis report

Static analysis result for SHA-256 da6e480a5507b4b7…

MALICIOUS

PDF

43.5 KB Created: 2020-08-02 05:00:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7c5d22f0d30a7dc34ebe4a7502fc83a7 SHA-1: ead6143617865ce0fc8e088dcd2b275e97a4ddad SHA-256: da6e480a5507b4b7352da6f501de91d4bddf1901c8aabe99400e4011681a977b
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link redirects to a known malicious infrastructure at ttraff.cc. This suggests the document is part of an SEO poisoning or phishing campaign designed to lure users to malicious sites. No scripts were extracted, limiting the analysis of direct payload delivery.

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=ubuntu+remove+amazon
    • http://files.southlandfamilyclub.com/uploads/1/3/1/3/131379371/e862cb.pdf
    • http://files.peakposse.com/uploads/1/3/1/4/131453194/kabozaxofibop_gedanamizu_sasesoxevufedap.pdf
    • http://files.ctknj.org/uploads/1/3/1/3/131384429/5edaf412c.pdf
    • http://files.businessgradeva.com/uploads/1/3/1/8/131871852/vimavonepovu-vofogufawos-wajafalu-zasetisosutek.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53681635306.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/85947343199.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kuvesagapixunijibofalase.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37638787324.pdf
    • https://cdn.shopify.com/s/files/1/0435/6440/0798/files/jetojutedojazatipizogided.pdf
    • https://cdn.shopify.com/s/files/1/0431/5247/4267/files/16423172831.pdf
    • https://cdn.shopify.com/s/files/1/0431/2956/9429/files/11464851468.pdf
    • https://cdn.shopify.com/s/files/1/0437/1510/0826/files/78933165513.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fulefevizurosojasi.pdf
    • https://cdn.shopify.com/s/files/1/0435/6882/4488/files/zamedoz.pdf
    • https://cdn.shopify.com/s/files/1/0440/2518/4421/files/gunovakamevusamijom.pdf
    • https://cdn.shopify.com/s/files/1/0430/6999/7207/files/52047799539.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_off000065d8.bin
7df493ff97873c19e04ff741fe035584b94ff7acc0930bbde269de71c0dcef1b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65D8 4864 bytes
font_01_sfnt_off00007659.bin
2fa5bd9876bbc8424f1b7917e3f033f2693511caf9540235c11f84ad9ae24d15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7659 13736 bytes

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