Malicious PDF — malware analysis report

Static analysis result for SHA-256 277e2adeaf5fa070…

MALICIOUS

PDF

53.2 KB Created: 2020-06-07 00:21:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 549d1f748117ac9f3ddb125b3d4b5b99 SHA-1: 3638509f1d6578c0d5799e77dbaa9d75b0270b72 SHA-256: 277e2adeaf5fa070fd9f9b40980c40cfc4d6ccca55ba6e5543d1c63576b2f18c
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The document body is heavily corrupted, but the presence of URLs indicates a potential attempt to redirect users to malicious content or phishing sites. 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://savethesummer.info/uploads/1/3/0/7/130776042/130776042.html#d%25C3%25A9finition+prox%25C3%25A9mie+edward+t+hall
    • http://root.advantageauburn.com/uploads/1/3/1/0/131070627/1394330.pdf
    • http://4f9.undesirable.us/uploads/1/3/0/2/130274199/2892099855.pdf
    • http://balancedwaw.com/uploads/1/3/0/5/130542907/4833ef7.pdf
    • http://action-builder.net/uploads/1/3/0/6/130621606/zajexur-zurufovajanoj-dabedaw.pdf
    • http://joannacottenmerch.com/uploads/1/3/0/9/130969437/merudefu-mupeb-ziparu-guduwojud.pdf
    • http://avdate.com/uploads/1/3/0/5/130589353/79f315.pdf
    • http://stagingevents.net/uploads/1/3/1/6/131637814/c6330ce3347c.pdf
    • http://thelungfoundation.org/uploads/1/3/0/3/130379463/zisix.pdf
    • http://demo11.vistait.com/uploads/1/3/0/8/130873997/e18bc6ea25f2.pdf
    • https://buzitafovudu937855434.files.wordpress.com/2020/06/loxojanoroxugom.pdf
    • https://pafekuka479092809.files.wordpress.com/2020/06/mopiwusorowegoniwedebu.pdf
    • https://lorujoxomejo.files.wordpress.com/2020/06/kubunenudimawak.pdf
    • https://dozijiroligo.files.wordpress.com/2020/06/98632229890.pdf
    • https://rurilaxun.files.wordpress.com/2020/06/13334451275.pdf
    • https://ximisexageb265378368.files.wordpress.com/2020/06/xasopepafebapem.pdf
    • https://telomema.files.wordpress.com/2020/06/gipiresujuzunuxifujuwet.pdf
    • https://nopijuso.files.wordpress.com/2020/06/93928957256.pdf
    • https://powikidikit.files.wordpress.com/2020/06/36849554519.pdf
    • https://julakix56227204.files.wordpress.com/2020/06/fusidosobatiwesebejevod.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000095ed.bin
495dc75d95a6a6f45ac0640accda880cdd7226211fb355277ff836c691f61857		 pdf-font-stream PDF embedded font (sfnt) at offset 0x95ED 2960 bytes
font_01_sfnt_off0000a056.bin
b454242ce5372c681dd69d139750b8150afcc48fbdc626deb28dc2791546346a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA056 12172 bytes

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