Malicious PDF — malware analysis report

Static analysis result for SHA-256 eaa54adc7d1feb1f…

MALICIOUS

PDF

43.6 KB Created: 2020-08-11 06:52:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 60c3f82184d8e3ed7549dad679cd6cf0 SHA-1: 02ee04d3016bc70a51fc42d850c4ae0f8f4feb7f SHA-256: eaa54adc7d1feb1fcf2cfd5195a2b51eff9a7d33fdf90c81fdd59c3f7d60f58a
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary URL identified, 'https://ttraff.cc/pify?keyword=classic+cars+uk+june+2020+pdf', suggests a redirection to potentially malicious content. Additionally, a large number of links point to PDFs hosted on Shopify, indicating a link farm strategy likely aimed at SEO manipulation or distributing further 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.cc/pify?keyword=classic+cars+uk+june+2020+pdf
    • http://files.mrdaviesmusicclass.org/uploads/1/3/0/8/130874678/2b762a.pdf
    • http://legiv.exclamationservicesusa.com/uploads/1/3/2/7/132741198/a210a1283b6.pdf
    • http://diluponut.ballycastlehistory.com/uploads/1/3/1/3/131380600/xebijidavolo_rawudetaf.pdf
    • http://files.goals-4-good.org/uploads/1/3/1/4/131437636/599851.pdf
    • https://cdn.shopify.com/s/files/1/0430/8385/8073/files/kefovab.pdf
    • https://cdn.shopify.com/s/files/1/0431/0423/9783/files/extract_subtitles_from_mkv.pdf
    • https://cdn.shopify.com/s/files/1/0432/3953/8851/files/xapotivegibi.pdf
    • https://cdn.shopify.com/s/files/1/0432/0264/2075/files/49219883294.pdf
    • https://cdn.shopify.com/s/files/1/0432/1175/1588/files/fataxebivadarogibememub.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fasexerogetotano.pdf
    • https://cdn.shopify.com/s/files/1/0427/9340/2534/files/49657609960.pdf
    • https://cdn.shopify.com/s/files/1/0428/4622/4551/files/xitutapagupagavisi.pdf
    • https://cdn.shopify.com/s/files/1/0440/3727/5813/files/82014265814.pdf
    • https://cdn.shopify.com/s/files/1/0432/8413/6086/files/pofumuzubosijiwux.pdf
    • https://cdn.shopify.com/s/files/1/0437/6068/1111/files/my_best_self_brownie_badge.pdf
    • https://cdn.shopify.com/s/files/1/0428/9075/6259/files/beethoven_s_5th_piano_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0431/0643/5232/files/87341461203.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_off00006c34.bin
0ff22608e48ef28b24fbd8923d01439cfe1c25fa7f6e2a29700c39ca0536c3e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C34 5468 bytes
font_01_sfnt_off00007edc.bin
38295d3b0fe8ab076df295eb3be997791fe6999dd805275a858d35b6756fa73a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EDC 10004 bytes

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