Malicious PDF — malware analysis report

Static analysis result for SHA-256 57f9110a75b347c5…

MALICIOUS

PDF

34.6 KB Created: 2020-03-24 21:29:10 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: fe1f4f655ba8072ece74c855933370b3 SHA-1: c589a34e0c59f77967932a698fb7cbe34bacad7b SHA-256: 57f9110a75b347c5acdca7fad946feaa3060242ac5a9f5da5b1270d91ea7c96f
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO poisoning tactic. The embedded document body also contains one of these URLs, indicating a direct attempt to redirect the user. 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://hazmatpackingandsupplies.com/uploads/1/3/0/2/130272903/130272903.html#a+fan+across+forever
    • http://matchacao.com/uploads/1/3/0/4/130488498/987fa960d2d9f47.pdf
    • http://ibehartistry-crownofgraceluxurywigs.com/uploads/1/3/0/4/130488328/sanusivanuwolaz.pdf
    • http://www.809sitemedia.com/uploads/1/3/0/6/130620280/7740551.pdf
    • http://coachyvonne.com/uploads/1/3/0/4/130436339/8930e864485cc.pdf
    • http://dmgcvirginia.com/uploads/1/3/0/9/130969473/81d443e44b9631.pdf
    • http://crossthelinellc.com/uploads/1/3/1/0/131070776/5491566.pdf
    • http://lillybivideo.com/uploads/1/3/0/5/130539992/mijosulepat_xozotavaketuba.pdf
    • http://business-debtcollection.com/uploads/1/3/0/5/130542935/pupopatune.pdf
    • http://sydneybusinessreview.com.au/uploads/1/3/0/7/130738836/geguta-zelajoj-gawutopoligeran.pdf
    • http://www.monalisatravelling.com/uploads/1/3/0/3/130379389/dobijamopiwugu.pdf
    • http://leclereconsultingllc.com/uploads/1/3/0/4/130476396/1540546.pdf
    • http://unedenreepourgagner.com/uploads/1/3/0/6/130604574/mizowegasilikiwi.pdf
    • http://www.basicenv.com/uploads/1/3/0/5/130551041/zaxiwizivosefeme.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_off00005ec8.bin
549db1ef73cbbce3b8616c4f5ec214c5aa672e37b7324732df88f3641c99da2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EC8 7996 bytes

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