Malicious PDF — malware analysis report

Static analysis result for SHA-256 864d7cffb8cbca33…

MALICIOUS

PDF

45.3 KB Created: 2020-03-29 08:21:39 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 46a1a12efeb0a3f73b6fc794aead79be SHA-1: 98b04c31b10b54bb6e013efae0ce0fe1b6332f19 SHA-256: 864d7cffb8cbca333b548fd4b730e8c368ad6ea0a42f032f31e6b531b7820f99
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique commonly used for SEO poisoning or to redirect users to malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this pattern, indicating a likely attempt to lure users to potentially harmful websites through a network of linked PDFs. No scripts were extracted, limiting the analysis of direct payload execution.

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://cleaningservicesedm.ca/uploads/1/3/0/2/130274376/130274376.html#el+texto+descriptivo+y+sus+tipos
    • http://www.frompapagod.org/uploads/1/3/0/5/130588527/zetomavojitadovem.pdf
    • http://magneticmarketingsolutions.net/uploads/1/3/0/7/130776241/sojalovusivodixiw.pdf
    • http://clinicamedicanewlifeltda.com/uploads/1/3/0/6/130605146/1963924.pdf
    • http://lightingbymrg.com/uploads/1/3/0/6/130639055/845014.pdf
    • http://align432yoga.com/uploads/1/3/0/3/130312998/c2c3c79baaac80d.pdf
    • http://morenikeshelton.com/uploads/1/3/0/5/130551174/3890592.pdf
    • http://www.westtrendzcompanylimited.com/uploads/1/3/0/6/130621225/54c1d0b.pdf
    • http://midlandsfestivalofflight.com/uploads/1/3/1/4/131437875/9710369.pdf
    • http://ijambecauseiam.com/uploads/1/3/0/9/130969740/b56a7a4.pdf
    • http://firecracker100k.com/uploads/1/3/0/2/130287914/4fcec1f1.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_off00007377.bin
18fd14e33bbbe3fbb1518153339973e8243e4ca6aca49ee8e6b3e83f46035e61		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7377 8772 bytes
font_01_sfnt_off0000932e.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x932E 16036 bytes

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