Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee54360a13bb0c27…

MALICIOUS

PDF

38.6 KB Created: 2020-04-23 03:46:51 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 53c508f7efab716075220a36b0afe796 SHA-1: 8c70fefffef4967d5c82ccb3e651c4f92c9dfd05 SHA-256: ee54360a13bb0c2785220ced568bbb1d36a18fd5ec83f1d6d5db2af048b9ddb9
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, suggesting a link farm or SEO manipulation tactic. The document body presents itself as nutrition information, likely a lure to disguise the malicious intent of distributing numerous external PDF links. No scripts were extracted from this sample, 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://thestromads.com/uploads/1/3/0/4/130483650/130483650.html#celia%27+s+mexican+restaurant+nutrition+information
    • http://celebrationinajar.com/uploads/1/3/0/4/130436130/5731344.pdf
    • http://donthesitate.org/uploads/1/3/0/2/130270761/fanapanujis.pdf
    • http://therealtyvezmonroe.com/uploads/1/3/0/6/130621093/zafepaxejepif-logatufukinov.pdf
    • http://lambdinstanley.com/uploads/1/3/1/6/131606955/1695199.pdf
    • http://pottershousesantaclarita.com/uploads/1/3/1/4/131409017/dixubovomadenikowa.pdf
    • http://gpie.co/uploads/1/3/1/6/131606629/7314100.pdf
    • http://marketacukrova.net/uploads/1/3/0/2/130273842/gojenunuw_wusejoke_nidobapes.pdf
    • http://offbroadstreet.org/uploads/1/3/0/3/130324136/8583698.pdf
    • http://nourishwithcassi.com/uploads/1/3/0/2/130289589/a03cc46a70ee.pdf
    • http://smmreview.com/uploads/1/3/0/3/130323298/2570685.pdf
    • http://cypish.org/uploads/1/3/0/2/130272083/wulagatek.pdf
    • http://bobcranephd.info/uploads/1/3/0/3/130379681/fisoj_wununen_jadokabevojiki_zewebalar.pdf
    • http://honcho.events/uploads/1/3/0/4/130476594/ripixu_felotidubuwowu_pekalinenufusot.pdf
    • http://pottershousesantaclari
    • 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_off00006cb0.bin
0cc4fead1f473582904dbccadf501e67e5977d064a6f343e5dd98e36a91b5913		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CB0 8860 bytes

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