Malicious PDF — malware analysis report

Static analysis result for SHA-256 cb68344d9d3a44fa…

MALICIOUS

PDF

39.4 KB Created: 2020-04-25 03:11:32 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 59c8c79de672f2d6b54a7fcfd866871e SHA-1: a78a1d3a17c857a79ed7efb71e9e491e168cab64 SHA-256: cb68344d9d3a44fa8dd02db905d08a0782b1dc7fa7d284098f7d0671e9f0b202
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links likely serve as a link farm to manipulate search engine rankings or to distribute further malicious content. The document body contains obfuscated text and URLs, reinforcing the malicious intent. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://deceptivelysimple.com/uploads/1/3/1/6/131606490/131606490.html#odia+jatra+bidesini+full
    • http://granlogiahispanadenorteamerica.com/uploads/1/3/0/6/130620645/e1761449ac2d312.pdf
    • http://tkkinvestments.com/uploads/1/3/1/4/131411150/4942415.pdf
    • http://juliegmoreland.com/uploads/1/3/1/0/131069759/25eb8e2.pdf
    • http://jessbutcher.com/uploads/1/3/0/8/130874518/likazawimefon_mubitadasupep_fajaviti_jixifovelam.pdf
    • http://quantumlifeshift.com/uploads/1/3/1/6/131636841/xolobabe.pdf
    • http://h3motorsportsmachinefabllc.com/uploads/1/3/1/3/131398204/7993334.pdf
    • http://beenotify.io/uploads/1/3/0/5/130590677/nusiruxirix-gebikalotufoz-korinifazeba-madesusemu.pdf
    • http://cmanmedia.com/uploads/1/3/0/6/130639580/lelijumon_vogodoje_jawokuxuv.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_off0000587d.bin
bc726123b5b043639ac613df3ac3a4f0b0c299b610ce5225d1bae981ddcb9f34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x587D 10908 bytes
font_01_sfnt_off00007680.bin
5ca4d21b66f21fa74da211e11bb7b9f9423862c0692fdb757a53984c79fe980c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7680 6780 bytes

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