Malicious PDF — malware analysis report

Static analysis result for SHA-256 30d5a10d1307ee69…

MALICIOUS

PDF

54.0 KB Created: 2020-04-13 19:49:24 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 73936253a4ba3f09104c851e89154cf4 SHA-1: 68b996a026f463d672f774e7ba8de17fb60657fd SHA-256: 30d5a10d1307ee690970dda4093ca71e629b59bdbe49e465c948c4453f2bb5aa
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The document body text mentions 'Messenger apk para ios 7. 1. 2', suggesting a lure to trick users into visiting these malicious links. The primary attack pattern observed is a link farm used for phishing or distributing further malware. 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://jeansexpress.org/uploads/1/3/0/5/130542875/130542875.html#messenger+apk+para+ios+7.+1.+2
    • http://levy.team/uploads/1/3/0/7/130740074/c1597420b0c7.pdf
    • http://fact-training.net/uploads/1/3/1/3/131379959/d406e4558928.pdf
    • http://riccijustisart.com/uploads/1/3/1/4/131437491/medinipulegeruzize.pdf
    • http://projectzone.com/uploads/1/3/0/2/130272484/podixol_ligavimoliritad_kibapegozuril.pdf
    • http://unifiedjourney.org/uploads/1/3/0/7/130775598/6371672.pdf
    • http://azureglowsiberians.com/uploads/1/3/0/2/130289421/tidedirokotara.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008891.bin
19b918444c9d7ce9b38774f5d896153d978cdd539d3f2f30c9ada1ae0eaf3c4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8891 10464 bytes
font_01_sfnt_off0000ac75.bin
14bf2aa4999369fc182bc45a2ddc096be090f4998e497360e0cca63f913f7d23		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAC75 2392 bytes
font_02_sfnt_off0000b6e2.bin
779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB6E2 16036 bytes

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