Malicious PDF — malware analysis report

Static analysis result for SHA-256 df305efe4a9b01f8…

MALICIOUS

PDF

41.6 KB Created: 2020-09-17 21:12:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 540be5dd84b0baa9b3c357f136942041 SHA-1: 826bf6b658ca076ae99e6321f6e9903dca11d90e SHA-256: df305efe4a9b01f850043008f59ea86637751d10b1435496ac357028788ac7f9
120 Risk Score

Malware Insights

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

The PDF file was flagged for containing a malicious redirector link and a large number of embedded links, indicating a link farm. The document body contains text related to 'tracking' and the primary malicious URL is associated with a redirector. This suggests the document's purpose is to lure users into clicking malicious links, likely for phishing or malware delivery.

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.club/pify?keyword=rf-smart+packed+box+tracking
    • http://favezonev.durbanafrica.co.za/uploads/1/3/1/8/131871991/9302233.pdf
    • http://files.rogersilvers.com/uploads/1/3/1/4/131438641/7200722.pdf
    • http://files.westportom.com/uploads/1/3/1/3/131383323/magusetorun.pdf
    • http://files.opheliafinke.net/uploads/1/3/0/7/130776131/zeneroworaba.pdf
    • http://files.iansturgess.co.uk/uploads/1/3/1/4/131412558/wezetezumeve.pdf
    • https://1dd0fc01-e486-4304-9b28-f4805b267b62.filesusr.com/ugd/f9fac6_0834498173784818ac7504bea06b3f3b.pdf?index=true
    • https://9c26b4a6-95f2-4f0a-baa0-138be3b03637.filesusr.com/ugd/e42ee3_e7fbed6117a044c883993773d1d12659.pdf?index=true
    • https://dcb0adeb-89da-42ca-95be-3ddf41602437.filesusr.com/ugd/115d6e_04eb28ecf31a4d7fba294827d99cbc64.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0430/2081/2441/files/nivinonijaditikijes.pdf
    • https://cdn.shopify.com/s/files/1/0435/3543/3882/files/74601946691.pdf
    • https://cdn.shopify.com/s/files/1/0431/5276/9192/files/35403014577.pdf
    • https://cdn.shopify.com/s/files/1/0436/5467/6645/files/27814199820.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_off0000630b.bin
8578c4914b723722624eabe933dc5cdd4e7f47ef75e6e18f2bfd502a50d2eddd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x630B 5752 bytes
font_01_sfnt_off000076a0.bin
1aacd49cb6db0540988275bdbdedfe69b7b4614f58ca00b37b92080e6b87e85f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76A0 10432 bytes

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