Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ae670d0850d993d…

MALICIOUS

PDF

35.5 KB Created: 2020-08-28 07:15:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8a782b38c0eb5134c02fb94c9e1ab316 SHA-1: 39bc692a1dc7071b2ca54acdf92cf00a323f6674 SHA-256: 1ae670d0850d993da81281356af76cbe39c4d5928efb6629a4371ec27ced9c53
120 Risk Score

Malware Insights

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

The PDF document was identified as malicious due to its extensive use of external links, a technique often employed for SEO manipulation or to redirect users to malicious content. The primary malicious URL identified is ttraff.com, which is flagged as a redirector. While many other Shopify links are present, they are predominantly benign. The document body contains garbled text and embedded URLs, reinforcing the malicious link finding.

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/pify?keyword=robert+stanley+hunter+college
    • http://files.chance-initiative.org/uploads/1/3/2/6/132683137/8bb17b5c.pdf
    • http://files.cmptrainingrome.com/uploads/1/3/1/3/131398374/8152186.pdf
    • http://files.tailor-madefitness.com/uploads/1/3/0/7/130776887/6134239.pdf
    • https://cdn.shopify.com/s/files/1/0431/2052/5476/files/calendrier_ligue_2_2020_et_2020.pdf
    • https://cdn.shopify.com/s/files/1/0431/3228/9178/files/73036438096.pdf
    • https://cdn.shopify.com/s/files/1/0429/2853/7753/files/99803057264.pdf
    • https://cdn.shopify.com/s/files/1/0436/5864/1573/files/addition_word_problems_4th_grade.pdf
    • https://cdn.shopify.com/s/files/1/0433/6569/5638/files/jag_season_8_episode_20.pdf
    • https://cdn.shopify.com/s/files/1/0439/4975/2478/files/nowixoj.pdf
    • https://cdn.shopify.com/s/files/1/0430/4535/5682/files/45215780935.pdf
    • https://cdn.shopify.com/s/files/1/0436/5778/9605/files/visut.pdf
    • https://cdn.shopify.com/s/files/1/0435/2881/4760/files/93159351077.pdf
    • https://cdn.shopify.com/s/files/1/0435/3690/8439/files/42087226577.pdf
    • https://cdn.shopify.com/s/files/1/0433/7840/9622/files/60781339376.pdf
    • https://cdn.shopify.com/s/files/1/0453/3600/2715/files/mediatrix_capital_performance.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_off00004beb.bin
61315b07722f6dba8e7b31edf891059bd61059ece87d2cb5f6081003a45911c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4BEB 5308 bytes
font_01_sfnt_off00005df5.bin
48052ce65c978bb810de95874fff005e5031d3e1453448e3e5a5a100301e9370		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DF5 10360 bytes

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