Malicious PDF — malware analysis report

Static analysis result for SHA-256 1dd4861b8baf6890…

MALICIOUS

PDF

46.0 KB Created: 2020-08-25 19:49:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 95ffc7c6e2690a11aecc14792dc2af2e SHA-1: 73b8daa7721f4f9d366ca0309004829157004084 SHA-256: 1dd4861b8baf6890fbc08c172fe775200b16c8ec4a5902d2ddd9f7776fa227ef
120 Risk Score

Malware Insights

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

The PDF file contains a prominent link that redirects to a known malicious domain, ttraff.com, with a query parameter suggesting a lure for game downloads. The PDF also exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify-hosted PDFs. This suggests a campaign to distribute malicious content or phish for credentials through deceptive document lures.

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=download+sims+4+city+living
    • http://pezat.sarajangevine.com/uploads/1/3/0/8/130873927/fd2265134c1.pdf
    • http://files.rosaryforconversions.com/uploads/1/3/1/8/131856743/jamakogafiza_bozalajubobivaj.pdf
    • https://cdn.shopify.com/s/files/1/0431/6066/6274/files/r18_b_tech_cse_syllabus.pdf
    • https://cdn.shopify.com/s/files/1/0433/1094/0328/files/bls_provider_manual.pdf
    • https://cdn.shopify.com/s/files/1/0436/0211/6772/files/angular_2_tutorial_ebook.pdf
    • https://cdn.shopify.com/s/files/1/0431/8570/1025/files/interest_letter_for_job_template.pdf
    • https://cdn.shopify.com/s/files/1/0432/9439/2485/files/jigitexezugizerera.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/44994208471.pdf
    • https://cdn.shopify.com/s/files/1/0428/9275/5103/files/zevokowekabajadorura.pdf
    • https://cdn.shopify.com/s/files/1/0434/0740/9308/files/31299891123.pdf
    • https://cdn.shopify.com/s/files/1/0437/3915/2535/files/babonidalekozaxilofodeb.pdf
    • https://cdn.shopify.com/s/files/1/0434/6642/4486/files/un_romance_imperdonable_mary_balogh_descargar.pdf
    • https://cdn.shopify.com/s/files/1/0433/4393/7690/files/vazoraromudinosasowuf.pdf
    • https://cdn.shopify.com/s/files/1/0432/7673/0533/files/laxujewap.pdf
    • https://cdn.shopify.com/s/files/1/0438/0521/2832/files/bewoduge.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_off0000770a.bin
83a5db992501ffc0748a637118f3ab5b9b17aa3b101d6105fb201d3957ed4c15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x770A 5504 bytes
font_01_sfnt_off000089da.bin
963d4deead0dfa652ff030e731bbf8fcf6e17a8a99b6b50303172ca6f17ca209		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89DA 9904 bytes

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