Malicious PDF — malware analysis report

Static analysis result for SHA-256 22e995de5e1f2567…

MALICIOUS

PDF

35.4 KB Created: 2020-05-16 03:47:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bd3c6096affc6721b45c56c7938f0c4c SHA-1: 3d5556caf44601ed3ce2c3a7cd453390dbf39f76 SHA-256: 22e995de5e1f2567b17c7bdec1b0cedb1cfb5c30e44dc9f185fc876f1ca28dc8
70 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are numerically slugged and hosted on domains suggestive of SEO link farming. The document body, while partially obfuscated, contains a title related to a quiz and a URL that appears to be a lure. The primary function seems to be redirecting users to a network of potentially malicious websites.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://glkventuresinc.com/uploads/1/3/0/6/130604804/130604804.html#gimme+more+cat+quiz+answers
    • http://manchestersoap.com/uploads/1/3/1/4/131406480/junikufewegi.pdf
    • http://constancehsb.com/uploads/1/3/1/3/131382808/a074538df6c9.pdf
    • http://gcodespecialistllc.com/uploads/1/3/0/3/130379347/7119316.pdf
    • http://vervedance.com/uploads/1/3/0/5/130551994/329c0ae311b4.pdf
    • http://ellsworthmaine.rocks/uploads/1/3/0/2/130272275/6f11b14.pdf
    • http://independentcredit.net/uploads/1/3/0/3/130323538/f0ec7b.pdf
    • http://slpwaboard.org/uploads/1/3/1/3/131379168/1356519.pdf
    • http://whyonmyshoes.com/uploads/1/3/0/3/130313263/8112368.pdf
    • http://hillbillystrategy.com/uploads/1/3/0/4/130475966/1192338.pdf
    • http://avenuethirtyfour.com/uploads/1/3/0/3/130324320/6e48e729.pdf
    • http://mindfulnessimages.com/uploads/1/3/0/6/130639236/miragi.pdf
    • http://uniigaming.com/uploads/1/3/1/3/131381804/wexava.pdf
    • http://revcapitalgrp.com/uploads/1/3/0/9/130969905/lapogiselob_jimolarazoxivaz_zuzuwelidol.pdf
    • http://missusvicarious.com/uploads/1/3/0/8/130873730/34d3f9f36.pdf
    • http://romarllc.com/uploads/1/3/0/3/130379391/4ca081501e.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_off00005a5a.bin
b036d9b1da1d360b93b851537939837b818950e134bf27832f83976e9ed9a185		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A5A 11260 bytes

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