Malicious PDF — malware analysis report

Static analysis result for SHA-256 93dcc692624b36ce…

MALICIOUS

PDF

33.5 KB Created: 2020-05-24 04:47:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7b67153e7c36adef470f1520761c305d SHA-1: 059c4f98985c238fcb64f2fe4c9d29d4e0a65e1d SHA-256: 93dcc692624b36ce9eb5950963c381840edf99946f8cfdd76b0064b6cd06a6e4
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, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection tactic. The document body, though partially corrupted, indicates it is disguised as a '92 honda accord service manual'. The primary malicious activity appears to be the distribution of numerous links to potentially malicious sites, as evidenced by the PDF_URI and EMBEDDED_URL heuristics. 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://thh6.fakids.org/uploads/1/3/0/7/130739322/130739322.html#92+honda+accord+service+manual
    • http://bigrigbookkeeping.com/uploads/1/3/1/4/131406950/5c561a45339c.pdf
    • http://nickcuneo.com/uploads/1/3/0/7/130776737/sokuvunowa-sipebaloboratuv.pdf
    • http://awolimited.com/uploads/1/3/1/3/131381540/dikigej-zogewawugaga-butafagi-rafiwawubolojer.pdf
    • http://huayuangroup.net/uploads/1/3/0/8/130874320/137425.pdf
    • http://leadthewaypetservices.com/uploads/1/3/0/3/130313494/6496276.pdf
    • http://derrus.fr/uploads/1/3/1/4/131482916/suxirudenoj.pdf
    • http://5149fitness.com/uploads/1/3/0/2/130272512/laxafexeworetufuki.pdf
    • http://bensterpropertiesllc.com/uploads/1/3/0/6/130639609/jufujeroxekobifiluxo.pdf
    • http://downsouthbait.com/uploads/1/3/0/3/130324324/bateritazinotifojus.pdf
    • http://stanstedintherockies.com/uploads/1/3/0/3/130313177/2292033.pdf
    • http://foxarchitects.net/uploads/1/3/1/4/131412426/638e8e962.pdf
    • http://truehopeministries.org/uploads/1/3/1/6/131607208/4834282.pdf
    • http://organizemychaos32960.com/uploads/1/3/1/4/131406352/nupudotidu.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_off000059e2.bin
22a48e7d0e2f1c9b050a8e27073b5f160243bf27f6a8319415869767f0a63e09		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59E2 9676 bytes

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