Malicious PDF — malware analysis report

Static analysis result for SHA-256 4189a90322853c92…

MALICIOUS

PDF

49.5 KB Created: 2020-03-29 12:55:13 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 735cd43ee0a9876a7adf9c7ee152d55f SHA-1: 94724d5cac1665fa75a802fe50161bb63fe6e6bd SHA-256: 4189a90322853c921aa170bcdae896a8207349d821bd00c8ebb5ae9f6b9597e6
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. The embedded URLs point to various domains, suggesting a broad distribution effort. No scripts were extracted, 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://74-123-79-231.mgwnet.com/uploads/1/3/0/7/130776211/130776211.html#la+compuerta+numero+12+ingles
    • http://orlandovacationplanning.com/uploads/1/3/0/5/130540159/3841aa87502.pdf
    • http://lvserenitycarellc.com/uploads/1/3/0/6/130621765/8059093.pdf
    • http://is-tbc.com/uploads/1/3/0/6/130621406/422710e4053f.pdf
    • http://lexiekerr.com/uploads/1/3/0/8/130813757/8754919.pdf
    • http://steamsocietyband.com/uploads/1/3/0/6/130621964/tavizirivodufug-lewiledinarofa-tegitexujivixop-vakelifus.pdf
    • http://namyangitaly.com/uploads/1/3/0/5/130539099/3209650.pdf
    • http://denisewswansoncpa.com/uploads/1/3/0/6/130620538/pekoxobaz.pdf
    • http://dragondrones.org/uploads/1/3/0/6/130621511/49d31f0c82b29bf.pdf
    • http://haitihap.com/uploads/1/3/0/2/130291441/4bfa6fa8c.pdf
    • http://iamjoenewman.com/uploads/1/3/0/5/130545681/zurifelobisom.pdf
    • http://buildingthebenchnm.com/uploads/1/3/0/4/130477048/loxiwisukezidega.pdf
    • http://lifeseminary.us/uploads/1/3/0/5/130539494/zipefuvafukadajiz.pdf
    • http://planeteconnexionfrance.com/uploads/1/3/0/6/130639310/0dea50ce43801f4.pdf
    • http://ourblacklist.com/uploads/1/3/0/4/130494478/kofimozekil_xijen.pdf
    • http://vaweather.net/uploads/1/3/0/4/130490338/ropezok.pdf
    • http://zone13t.com/uploads/1/3/0/5/130541552/wepixuxiva.pdf
    • http://essentialpleasure.com/uploads/1/3/0/7/130740196/039bd50ebdf7e51.pdf
    • http://keithromanoski.com/uploads/1/3/1/0/131070327/52476d9e4d0.pdf
    • http://manneinsurance.com/uploads/1/3/0/4/130488691/68f16.pdf
    • http://ethanhedrick.com/uploads/1/3/0/3/130324191/wokubomomiw.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_off000099a6.bin
1520c8071582220bd87f1bca747ea4db6e7891ac01c088c208fe25e5d435d682		 pdf-font-stream PDF embedded font (sfnt) at offset 0x99A6 8508 bytes

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