Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6828f096fce370b…

MALICIOUS

PDF

44.7 KB Created: 2020-07-30 23:50:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 48d9745c7b54371d7a889a18461fa47d SHA-1: 0645838837276033d57c25afdc0c791f24e79d85 SHA-256: e6828f096fce370b3c029d2b9e7b927b9dbe360173816cae745a4850429bf107
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.cc/pify?keyword=vigantol+ade+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The document body is heavily obfuscated and unreadable, but the presence of the malicious redirector strongly suggests a phishing or scam attempt designed to lure users to a compromised site. No scripts were extracted from this sample.

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=vigantol+ade+pdf
    • http://files.fillmorebulldogbands.org/uploads/1/3/0/7/130776043/moxonu.pdf
    • http://files.maplehillbluegrass.com/uploads/1/3/2/3/132303194/5849670.pdf
    • http://files.redseaem.com/uploads/1/3/1/6/131636916/9135664.pdf
    • http://files.numeracyteacher.com/uploads/1/3/2/3/132302859/55bdb0b.pdf
    • http://files.redseaem.com/uploads/1/3/1/6/131
    • https://cdn.shopify.com/s/files/1/0429/6497/5765/files/sijexusivezazelegap.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/83390791822.pdf
    • https://cdn.shopify.com/s/files/1/0428/9763/7535/files/mepokazuwojasixitofo.pdf
    • https://cdn.shopify.com/s/files/1/0428/2561/3468/files/ludufabujawadutikefo.pdf
    • https://cdn.shopify.com/s/files/1/0432/7643/5621/files/59517350711.pdf
    • https://cdn.shopify.com/s/files/1/0431/2884/8538/files/64519786832.pdf
    • https://cdn.shopify.com/s/files/1/0434/4276/5976/files/zasepo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gigogew.pdf
    • https://cdn.shopify.com/s/files/1/0428/7427/3948/files/9308341533.pdf
    • https://cdn.shopify.com/s/files/1/0436/0906/3582/files/39639347487.pdf
    • https://cdn.shopify.com/s/files/1/0431/1583/9645/files/85072716544.pdf
    • https://cdn.shopify.com/s/files/1/0438/6249/1286/files/zuginoza.pdf
    • https://cdn.shopify.com/s/files/1/0431/2943/8370/files/tiliwuxogadubam.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_off000073e4.bin
7858d684f3cb8916a6800c601bcfff86f1fe4748a1aff7ba18b7166c7e263724		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73E4 4688 bytes
font_01_sfnt_off000083e9.bin
41cc73649e830d60fd334df25a1ef6c0c2b60541648bd0940f4fe2734f74c170		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83E9 9980 bytes

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