Malicious PDF — malware analysis report

Static analysis result for SHA-256 e85ae5190b88260c…

MALICIOUS

PDF

70.7 KB Created: 2020-06-06 04:53:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1893c6ee7206bf31ff854885a12f59e7 SHA-1: 5f13d3e749e7dff2fdba29f3cfa40440f0c8e718 SHA-256: e85ae5190b88260cbbc626eabf8d95d5b8d621deeeaf398c37265dfb4f351db8
70 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many pointing to similarly structured URLs, indicating a link farm or redirection scheme. The document body, though heavily obfuscated, contains a URL that appears to be a lure. The PDF_SEO_LINK_FARM heuristic firing strongly suggests malicious intent through the mass distribution of external links.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://componentsourceint.com/uploads/1/3/1/4/131437350/131437350.html#middle+earth+shadow+of+war+trophy+guide
    • http://mta-sts.mail.candcauction.org/uploads/1/3/0/2/130289658/5074961.pdf
    • http://hostmaster.millennium.global/uploads/1/3/0/8/130874470/706c91bec5.pdf
    • http://mymissgrace.com/uploads/1/3/0/2/130287727/ratefifazibu.pdf
    • http://cpanel.prowrestlinghistoricalsociety.com/uploads/1/3/0/9/130969678/sujofirapoba.pdf
    • http://jeffherringart.com/uploads/1/3/0/8/130814923/8182782.pdf
    • http://necesidadsoftware.com/uploads/1/3/0/7/130740378/xivedefovelumor-godovidun-jutajis.pdf
    • http://jaxelite904.com/uploads/1/3/1/3/131398259/9869943.pdf
    • http://componentsourceint.com/uploads/1/3/1/4/131437350/terms.html
    • http://componentsourceint.com/uploads/1/3/1/4/131437350/dmca.html
    • http://componentsourceint.com/uploads/1/3/1/4/131437350/policy.html
    • https://momunijubu866698461.files.wordpress.com/2020/06/79738489794.pdf
    • https://miboxupetu.files.wordpress.com/2020/06/togafa.pdf
    • https://mavuwepezigi.files.wordpress.com/2020/06/rirorenotikox.pdf
    • https://nogejakupug847299694.files.wordpress.com/2020/06/13643100002.pdf
    • https://pisisusotuj.files.wordpress.com/2020/06/gubogibawegigido.pdf
    • https://gesozizeb769482669.files.wordpress.com/2020/06/vunirirofupuxisabeperunu.pdf
    • https://zuwijajim.files.wordpress.com/2020/06/74233466643.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e6e8.bin
52eb46aadbda95794cb034c589bd20374b1eb84389cf280b7446ede32a8dbbb5		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE6E8 12060 bytes

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