Malicious PDF — malware analysis report

Static analysis result for SHA-256 210209e2649e4a73…

MALICIOUS

PDF

39.1 KB Created: 2020-04-05 15:52:58 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7db698dc49f4883319be53f1e08b01fa SHA-1: 7b3743c374aef6b0b91b6b66435095672527526b SHA-256: 210209e2649e4a735aee99f57bf173fe2e786a7c6018ef4da606076cc7e9167c
62 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The primary link directs to a page with a title related to refrigeration and air conditioning, suggesting a lure. The document body is heavily obfuscated and contains many of the same URLs found in the heuristics, indicating a link farm or redirection scheme. 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://steigerhoutstuff.com/uploads/1/3/0/2/130287307/130287307.html#sistema+de+refrigeracion+y+aire+acondicionado+pdf
    • http://lilianastarck.com/uploads/1/3/0/7/130775741/3993cd3aeb25.pdf
    • http://backandbarberingstudio.ca/uploads/1/3/0/7/130739662/b3d4dcc.pdf
    • http://treinasoft.net/uploads/1/3/0/8/130813489/9669800.pdf
    • http://reboundat.com/uploads/1/3/0/7/130740097/fetevevujive-fezovapodotuvu-zivil.pdf
    • http://crystallineheartcenter.org/uploads/1/3/0/7/130738928/sowujarapiliga_sojoralipizez_zukalakalu.pdf
    • http://zamani.me/uploads/1/3/0/2/130272420/pofegutigufimet_tigame_solavuvol_zexunenozunazi.pdf
    • http://lttbuyandsell.com/uploads/1/3/0/8/130813642/7392136.pdf
    • http://conscience-ai.com/uploads/1/3/1/4/131437695/8654774.pdf
    • http://magneticarmband.com/uploads/1/3/0/3/130312969/f8280bcbc2c7de.pdf
    • http://adaccountingservices.com/uploads/1/3/0/4/130483842/juropezisar_watusomariwib.pdf
    • http://aquariusdriving.com/uploads/1/3/1/4/131407178/4075afd4839e09.pdf
    • http://cambridgeasparagus.org/uploads/1/3/0/8/130874017/508805.pdf
    • http://pressperformance.com/uploads/1/3/0/4/130475925/86f6fb5a.pdf
    • http://aginnovationslimited.kz/uploads/1/3/0/2/130289693/2150528.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_off00006f1c.bin
51c055c55631da720a50760cf10db72a1ac92ad52d9e177cb51349f9fb36767a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F1C 8800 bytes

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