Malicious PDF — malware analysis report

Static analysis result for SHA-256 7753f15d2a91c348…

MALICIOUS

PDF

44.6 KB Created: 2020-08-18 21:33:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 65eb70eff45a1f0559e30f8c809ea980 SHA-1: ec38abffccb03d0ec2396faf674712bf064cf791 SHA-256: 7753f15d2a91c348c8407228408b022ce148b1fb5babf3183fd8b9c9df2f82c2
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded URLs, with one identified as a known malicious redirector. The document body, though heavily obfuscated, contains the string 'R g n m long form' and the malicious redirector URL, suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the ultimate malicious destination. No scripts were extracted, limiting the analysis of direct payload execution.

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/pify?keyword=r+g+n+m+long+form
    • http://fegaj.yesimadeitmyself.com/uploads/1/3/1/8/131872269/ec5380afc9341d.pdf
    • http://files.psuvita.org/uploads/1/3/1/0/131071041/lusima-jolovi-tuvugomemuzi-wakunalibapuxo.pdf
    • http://files.paulavogt.com/uploads/1/3/2/8/132816036/lofapokonosujikixexi.pdf
    • http://maluw.auburnlakesviera.com/uploads/1/3/0/8/130813364/1938764.pdf
    • https://cdn.shopify.com/s/files/1/0436/6453/9798/files/fupoxofekunisokobixonir.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51025654711.pdf
    • https://cdn.shopify.com/s/files/1/0431/6338/6016/files/wajiraxubalowasa.pdf
    • https://cdn.shopify.com/s/files/1/0431/6440/1818/files/54738424699.pdf
    • https://cdn.shopify.com/s/files/1/0434/2641/4748/files/el_apologetica_de_tertuliano.pdf
    • https://cdn.shopify.com/s/files/1/0429/6772/8279/files/pelapatane.pdf
    • https://cdn.shopify.com/s/files/1/0435/1351/2100/files/redoditolutuluxaj.pdf
    • https://cdn.shopify.com/s/files/1/0431/7272/4897/files/xitixowofemidosutaximami.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005d44.bin
494c662c0ba73a5e6968077bc2659cdb19f59e5b4487d4793a3b236d2fdfa4d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D44 4704 bytes
font_01_sfnt_off00006d38.bin
f26de9f2b2fbcf571d9f1e121a1192f45eb11701e5134709367d14362ff9a005		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D38 10996 bytes
font_02_sfnt_off00009225.bin
8231331c7ee0c5030f230a427220dc721b69e61405c0dc7a685cbbf81352e841		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9225 5436 bytes

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