Malicious PDF — malware analysis report

Static analysis result for SHA-256 df60e108f72aee56…

MALICIOUS

PDF

41.5 KB Created: 2020-08-13 20:10:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7848acd97035c2f623118c10f247a7d8 SHA-1: 98867a116f5ffcc8ea1681d818fe7bcb5062f5f2 SHA-256: df60e108f72aee567a5d4f5b1f78cc2fd5aa22f3619af372f060a534d633c039
120 Risk Score

Malware Insights

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

The PDF file contains numerous links, many of which point to a link farm hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely the primary malicious payload delivery mechanism. The document body text, though partially corrupted, suggests a lure related to a product manual, indicating a phishing or scam attempt. No scripts were extracted from this sample.

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/wb?keyword=philips%20respironics%20everflo%20q%20oxygen%20concentrator%20-%205%20lpm%20manual
    • http://files.borekg.com/uploads/1/3/1/4/131438056/71ab13b4525db.pdf
    • http://files.firelandsmuseum.com/uploads/1/3/0/9/130969146/xuzokuvego-roporij-pawogatuvuziti.pdf
    • http://files.rkplasticsurgery.com/uploads/1/3/0/7/130775819/032279bfa04dd.pdf
    • http://files.ornamentsofexpression.com/uploads/1/3/1/4/131455883/vojosa.pdf
    • http://files.satinkissed.net/uploads/1/3/0/7/130776745/gituzufodiwazor.pdf
    • https://cdn.shopify.com/s/files/1/0429/9603/9833/files/bedivaxepotevopi.pdf
    • https://cdn.shopify.com/s/files/1/0432/7935/1976/files/tatokobuj.pdf
    • https://cdn.shopify.com/s/files/1/0434/6894/7616/files/bifenizigikagupidikavino.pdf
    • https://cdn.shopify.com/s/files/1/0434/3624/5142/files/jikul.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.pdf
    • https://cdn.shopify.com/s/files/1/0437/2211/3192/files/zaxavuvi.pdf
    • https://cdn.shopify.com/s/files/1/0430/4951/7205/files/milling_machine_manual.pdf
    • https://cdn.shopify.com/s/files/1/0430/4925/5066/files/3674565022.pdf
    • https://cdn.shopify.com/s/files/1/0434/6911/1448/files/riwivawad.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_off00006117.bin
3ce072b4473297213d0b903a5b8d2c350369b2807c9a107448f002f2869cf175		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6117 5944 bytes
font_01_sfnt_off00007534.bin
0d49d00dfdb7ae3646ade2d65dddf8f93dae3b2f1d9beeaa4ba7828aa9a5fd52		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7534 10356 bytes

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