Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea0118739e292fe4…

MALICIOUS

PDF

37.8 KB Created: 2020-04-07 14:05:33 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 847aa3345f7872721eebedd3dc3eba35 SHA-1: 77c535ad2f1144c0078b656f928376cd23131092 SHA-256: ea0118739e292fe4a0a67ba1ec32fd63c8f792d8d543dcb942cdd526ac6c6ae8
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links to various domains, a technique often used for SEO manipulation or to distribute further malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this pattern. The document body, though partially corrupted, contains references to URLs that are also listed in the extracted URLs, reinforcing the link-farming attack pattern. No scripts were extracted, limiting the analysis of direct payload delivery.

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://handsofpossibilties.com/uploads/1/3/1/3/131380146/131380146.html#bibliografia+estilo+vancouver+online
    • http://solskinfood.com/uploads/1/3/0/2/130272851/27495.pdf
    • http://mxcallcenter.com/uploads/1/3/1/4/131455378/1840389.pdf
    • http://troop555.org/uploads/1/3/0/6/130605335/kokoxofisite.pdf
    • http://studio-jrochielle.com/uploads/1/3/0/2/130287456/faxowogegokir.pdf
    • http://tatianasophia.com/uploads/1/3/0/7/130739294/7094354.pdf
    • http://apogeeservicesllc.com/uploads/1/3/0/7/130739147/vipos.pdf
    • http://humamassagem.pt/uploads/1/3/0/6/130620510/junidatulenutopokumi.pdf
    • http://roofing-marketers.com/uploads/1/3/1/3/131398222/852600.pdf
    • http://drivingtowarddaylight.com/uploads/1/3/0/6/130621714/278f08bc9bd8cf9.pdf
    • http://offroadwheelchairextreme.com/uploads/1/3/0/4/130483993/46247.pdf
    • http://beadedblessings.org/uploads/1/3/0/2/130288861/9312373.pdf
    • http://poshhaircollc.com/uploads/1/3/0/9/130969707/xogonubadaruxix.pdf
    • http://subprimalmeats.com/uploads/1/3/0/7/130739198/bomomera-vimer-rolenasolo-sitab.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_off000068eb.bin
5469d12fa35ef3ffc0d52947a5101e4fe4887d9eeedf95b0037c57ac1087d74e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68EB 8172 bytes

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