Malicious PDF — malware analysis report

Static analysis result for SHA-256 f50959a02ed3607a…

MALICIOUS

PDF

41.1 KB Created: 2020-03-29 10:54:34 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 90bc170f6d5fe035f786d4a778259c47 SHA-1: 825f77363eeebd147039e31f5ecb4a02b6c2009c SHA-256: f50959a02ed3607added05cfc0994e2a7e9b5ba5a7d2d2f628109b0bffb3dc36
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, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic PDF_SEO_LINK_FARM specifically identifies this behavior, indicating a likely attempt to distribute or host harmful content across multiple domains. The embedded URL also points to a suspicious domain, further supporting the malicious intent.

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://hotelvic-phase2-ko.devsite-1.com/uploads/1/3/0/7/130740232/130740232.html#que+hace+un+sonidista+en+una+obra+de+teatro
    • http://winterpieshop.com/uploads/1/3/0/4/130476013/bigolowujokef_jusanolex.pdf
    • http://foodforfriends.gr/uploads/1/3/0/4/130476791/dufep.pdf
    • http://snaptravelchew.com/uploads/1/3/0/3/130323381/watapeligedaw_mogowajapalakid_mekowipolegujov_migak.pdf
    • http://jghoffman.com/uploads/1/3/0/7/130738933/53e0eeab96.pdf
    • http://electronicrayondesigns.com/uploads/1/3/0/5/130588586/forezamakamupar.pdf
    • http://www.signamusica.com/uploads/1/3/0/7/130775393/2389357.pdf
    • http://www.adelaideamend.com/uploads/1/3/0/8/130874201/gakuv.pdf
    • http://mitchhosford.com/uploads/1/3/0/6/130620936/5d8b7cada6d5ce.pdf
    • http://www.cusoeprofessionaleducation.org/uploads/1/3/0/4/130436365/1873383.pdf
    • http://germanshepherdpuppiesinflorida.com/uploads/1/3/0/7/130775365/peduludekop.pdf
    • http://www.tabarampho.com/uploads/1/3/0/5/130590416/ff2624fd1ef06e2.pdf
    • http://wahatalalson.info/uploads/1/3/1/1/131164180/e5efc4c9.pdf
    • http://superdry-automotive.com/uploads/1/3/0/2/130287881/6483690.pdf
    • http://tettehholdingsllc.com/uploads/1/3/0/8/130814078/mexavokaso_xubojefi_rexokuvovuxi_xipaxuwumuxa.pdf
    • http://avaparmelee.com/uploads/1/3/0/6/130622111/cfa8baab83.pdf
    • http://universaldentalcares.com/uploads/1/3/0/6/130639681/2b899747bffd.pdf
    • http://voyagerbeats.com/uploads/1/3/0/6/130639653/biguwipomuru.pdf
    • http://appletreeyard.org/uploads/1/3/0/7/130776351/napolodido_wowinorufe.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_off0000771f.bin
eaadad8a37f9be9e0da8c1aaf193e22158568f99cdc44c33c1e4812329430a41		 pdf-font-stream PDF embedded font (sfnt) at offset 0x771F 8268 bytes

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