Malicious PDF — malware analysis report

Static analysis result for SHA-256 265cc1120a65ccc4…

MALICIOUS

PDF

123.1 KB Created: 2020-08-14 06:48:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 698d4dd5b7640fe0348e3e8a2667568a SHA-1: 16623bd1c6b1fc797ee5e4bc3180b4999091793d SHA-256: 265cc1120a65ccc4e33296155af7a189d8cc4b6f989d8b9b0e6045585b6fbda2
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the redirector. This suggests the primary goal is to redirect the user to a malicious site, 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.com/pify?keyword=ancient+egyptian+civilization+pdf
    • http://kopumese.shivashaktiloka.com/uploads/1/3/1/4/131482992/bimofunufub_lopizezuz_xudad_zuxik.pdf
    • http://tudobas.artscollective.co.nz/uploads/1/3/0/7/130738615/7962e6c20084c.pdf
    • http://files.bfdsandiego.com/uploads/1/3/0/8/130874422/34770051eabf4.pdf
    • http://devavetiv.joleanes.com/uploads/1/3/0/8/130874001/1424329.pdf
    • http://files.bowsandballcaps.com/uploads/1/3/1/6/131606475/8185471.pdf
    • https://cdn.shopify.com/s/files/1/0432/7184/8100/files/evanescence_my_immortal_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0432/6660/5219/files/33777876123.pdf
    • https://cdn.shopify.com/s/files/1/0430/9119/8112/files/kidevadubo.pdf
    • https://cdn.shopify.com/s/files/1/0428/4032/6300/files/39493814699.pdf
    • https://cdn.shopify.com/s/files/1/0432/5313/7576/files/92243021474.pdf
    • https://cdn.shopify.com/s/files/1/0431/8609/4241/files/confluence_free_alternative.pdf
    • https://cdn.shopify.com/s/files/1/0431/7069/3282/files/basic_electrical_and_electronics_engineering_book_file.pdf
    • https://cdn.shopify.com/s/files/1/0434/7982/6597/files/86122203642.pdf
    • https://cdn.shopify.com/s/files/1/0433/4374/1083/files/fimavivusim.pdf
    • https://cdn.shopify.com/s/files/1/0435/8216/1053/files/6679077537.pdf
    • https://cdn.shopify.com/s/files/1/0431/6869/4432/files/gijonulobimedamasalimu.pdf
    • https://cdn.shopify.com/s/files/1/0428/5313/8591/files/sotonazipukiliwajofokulef.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_off0001a873.bin
85c03581f2437a17672829c71eb3d45a3eed2f53d1813d69e8b9c218b5253b79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A873 5252 bytes
font_01_sfnt_off0001ba77.bin
d54984303c24dfcfccdfcf1140721bde0bc1d13049f76eefbdcf8dcb424e8bb0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1BA77 10864 bytes

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