Malicious PDF — malware analysis report

Static analysis result for SHA-256 d60ac50a94676c11…

MALICIOUS

PDF

41.6 KB Created: 2020-08-19 01:02:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 074dd5dae939a90460e0c4d5378d6f2f SHA-1: 86ef5851cc11ad95e5744a5820e0759198cb6bc3 SHA-256: d60ac50a94676c1180f4b23e919768f58b4bd0a99a51daabcb5f8ba6edb9e7bf
150 Risk Score

Malware Insights

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

The PDF contains a deceptive document body masquerading as an application form, which is a common lure for phishing. It embeds numerous links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.cc/pify?keyword=bible+college+application+form+template'. This redirector likely leads to further malicious content or exploits. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to manipulate search engine results or distribute malware.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=bible+college+application+form+template
    • http://files.acorneducationandconsulting.com/uploads/1/3/0/9/130969774/mogowodarexa.pdf
    • http://files.berrienbaseball.com/uploads/1/3/0/9/130969645/5395409.pdf
    • http://files.washingtongreenspa.com/uploads/1/3/0/7/130775505/86b05aff2fb1.pdf
    • http://files.keithsfishingtackle.com/uploads/1/3/1/4/131453253/7624832.pdf
    • http://wivax.flytotheskyteam.com/uploads/1/3/0/8/130873877/malunuge.pdf
    • https://cdn.shopify.com/s/files/1/0430/0279/0039/files/38717379023.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wugituvunajobi.pdf
    • https://cdn.shopify.com/s/files/1/0432/2256/5032/files/gemeneniwowu.pdf
    • https://cdn.shopify.com/s/files/1/0430/1452/0995/files/vefepazamekebiloju.pdf
    • https://cdn.shopify.com/s/files/1/0449/2463/3243/files/minecraft_lion_king_mods.pdf
    • https://cdn.shopify.com/s/files/1/0429/4855/9004/files/64009419542.pdf
    • https://cdn.shopify.com/s/files/1/0430/9948/8410/files/ley_de_bienes_nacionales_honduras.pdf
    • https://cdn.shopify.com/s/files/1/0431/1246/4535/files/vuzarigubevutakiwa.pdf
    • https://cdn.shopify.com/s/files/1/0431/4978/7285/files/gakagixozerasororew.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_off0000650f.bin
a131a502e87f6566e9a4063f886b2b717a8392aba01a9a2ebf09171702561148		 pdf-font-stream PDF embedded font (sfnt) at offset 0x650F 5344 bytes
font_01_sfnt_off0000771e.bin
440b992ff5766c76d864e6fdebc5773d88470c1d6bef874bcf39f6f304dafea7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x771E 9992 bytes

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