Malicious PDF — malware analysis report

Static analysis result for SHA-256 eded4fbc777f3d87…

MALICIOUS

PDF

49.6 KB Created: 2020-08-20 19:01:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9537083b77aca030a6a5494012684558 SHA-1: db82958d3fe87672a5da67c8fbce84c1f7f76184 SHA-256: eded4fbc777f3d87d72115beec32ef13f003836627dc8df0ec2d7ecea7dca50e
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'accordi canzoni classiche napoletane pdf', suggesting a lure. The presence of multiple external PDF links, many hosted on Shopify, indicates a potential link farm or distribution mechanism for 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.com/pify?keyword=accordi+canzoni+classiche+napoletane+pdf
    • http://nenodoxaw.yoniart2000.com/uploads/1/3/1/6/131606027/xovopexezusiwu.pdf
    • http://files.ufloriaorganics.com/uploads/1/3/1/3/131380342/565c880e2f28.pdf
    • http://feritaxe.traversehotham.com.au/uploads/1/3/1/4/131438641/riguxafamewar.pdf
    • https://cdn.shopify.com/s/files/1/0433/9109/0844/files/62486635592.pdf
    • https://cdn.shopify.com/s/files/1/0432/6562/2184/files/brokercheck_dispute_form.pdf
    • https://cdn.shopify.com/s/files/1/0430/1992/7713/files/84376944495.pdf
    • https://cdn.shopify.com/s/files/1/0433/3921/9099/files/jegefab.pdf
    • https://cdn.shopify.com/s/files/1/0431/1479/1068/files/android_studio_cardview_example.pdf
    • https://cdn.shopify.com/s/files/1/0434/1805/8901/files/ximerajo.pdf
    • https://cdn.shopify.com/s/files/1/0430/3673/7699/files/pawux.pdf
    • https://cdn.shopify.com/s/files/1/0437/8466/7287/files/3_star_hotel_business_plan.pdf
    • https://cdn.shopify.com/s/files/1/0429/1916/6105/files/1770570675.pdf
    • https://cdn.shopify.com/s/files/1/0430/6518/0314/files/39694832977.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_off0000845e.bin
f2a0ec7b70357ad5d0c13c202325625c201c072bc072935e165e0b3beb64a49a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x845E 5284 bytes
font_01_sfnt_off0000964f.bin
d1f4f82b0c8255ce8f95a901fd94520dd91bf80651c9d6eaac255d1ed151ddbf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x964F 10292 bytes

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