Malicious PDF — malware analysis report

Static analysis result for SHA-256 d95463d0556acf34…

MALICIOUS

PDF

38.9 KB Created: 2020-08-29 23:07:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d1f91d3cca401d99256235cdcc93204 SHA-1: 51ec75eeb885d6df68f0b82b837e9b5387f0d0bc SHA-256: d95463d0556acf34d88501a2dbc3bfc474681435a414ca130336696389a39dff
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=gunna+drip+harder+download+zip'. This URL is presented within the document body, suggesting a social engineering lure. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded links, many hosted on cdn.shopify.com, likely to obscure the malicious redirector. No scripts were extracted, but the presence of the malicious redirector and the link farm structure strongly indicate an attempt to drive traffic to malicious content.

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=gunna+drip+harder+download+zip
    • https://cdn.shopify.com/s/files/1/0432/7692/7134/files/dowikixavitiwi.pdf
    • https://cdn.shopify.com/s/files/1/0452/1289/3344/files/mandatory_reporting_decision_tree_qld.pdf
    • https://cdn.shopify.com/s/files/1/0432/2584/1821/files/80647111322.pdf
    • https://cdn.shopify.com/s/files/1/0431/3009/3728/files/53399958915.pdf
    • https://cdn.shopify.com/s/files/1/0432/3839/1970/files/2083386966.pdf
    • https://cdn.shopify.com/s/files/1/0435/8320/9631/files/zonuzapapegizewilipin.pdf
    • https://cdn.shopify.com/s/files/1/0430/9817/7693/files/65106255224.pdf
    • https://cdn.shopify.com/s/files/1/0430/7727/1716/files/xonugipi.pdf
    • https://cdn.shopify.com/s/files/1/0434/1393/0142/files/72432738500.pdf
    • https://cdn.shopify.com/s/files/1/0433/4085/7494/files/xilixawa.pdf
    • https://cdn.shopify.com/s/files/1/0427/7947/6134/files/blue_jackets_manual_24th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0430/9201/7305/files/63981172338.pdf
    • https://cdn.shopify.com/s/files/1/0428/3577/1558/files/aceite_de_oregano_doterra.pdf
    • https://cdn.shopify.com/s/files/1/0436/6788/2134/files/natazobujo.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_off000059ae.bin
b64611c42d639a6053d6ef161f8636abc92e9db16d62028fc37f9f3c0da16623		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59AE 5044 bytes
font_01_sfnt_off00006aee.bin
a2add6d74a72d24e365a785fec0a6fa6765397298852f77faae5a36048d38f1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AEE 10504 bytes

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