Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d95f777e27d9d1a…

MALICIOUS

PDF

45.4 KB Created: 2020-08-24 01:56:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ea879e4dc35fefe8f9c3f4990c693ee7 SHA-1: decb1087c39b5509164474a20bf1848878e9e912 SHA-256: 9d95f777e27d9d1ad69f62a866abfb335d74726966bee26fa0e1cf8b46fad426
130 Risk Score

Malware Insights

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

The PDF contains a high number of external links, many of which point to a link farm hosted on Shopify. One critical heuristic indicates a malicious redirector link, which is also present in the document body. This suggests a phishing or social engineering attack aiming to redirect users to malicious content.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/pify?keyword=case+report+endo+perio+lesion
    • http://files.bvdtc.com/uploads/1/3/0/8/130874108/jusutubesu.pdf
    • http://files.hijoeselectronics.com/uploads/1/3/0/7/130739204/bubawek.pdf
    • http://files.nightingaleprojects.com/uploads/1/3/1/3/131381605/8350760.pdf
    • http://nofapuwi.strongalways.com/uploads/1/3/1/1/131164250/8131709.pdf
    • http://files.lorraineparishwriter.com/uploads/1/3/0/8/130873870/lobojixo.pdf
    • https://cdn.shopify.com/s/files/1/0433/4636/2533/files/turonukasejixolutarutavi.pdf
    • https://cdn.shopify.com/s/files/1/0437/7201/8845/files/13327085467.pdf
    • https://cdn.shopify.com/s/files/1/0431/3173/2122/files/vewogo.pdf
    • https://cdn.shopify.com/s/files/1/0431/2684/9700/files/2175110401.pdf
    • https://cdn.shopify.com/s/files/1/0429/5249/1159/files/xukajajedi.pdf
    • https://cdn.shopify.com/s/files/1/0433/7546/0517/files/43258351480.pdf
    • https://cdn.shopify.com/s/files/1/0433/6893/9672/files/gumedoginedefur.pdf
    • https://cdn.shopify.com/s/files/1/0429/6422/2101/files/46142370885.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13977314479.pdf
    • https://cdn.shopify.com/s/files/1/0463/2690/7040/files/72656759940.pdf
    • https://cdn.shopify.com/s/files/1/0464/0918/7496/files/46298956286.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_off0000736b.bin
5cf1e21237667e29aba9ffd1c86af82b8bf1fcb99fe997b76853c215bde3d4b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x736B 4856 bytes
font_01_sfnt_off000083ef.bin
420ff661bac48c9b6bbb413c0be93d8ad45f0e955de2b1b1ae2ac3392a4ea393		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83EF 10320 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.