Malicious PDF — malware analysis report

Static analysis result for SHA-256 4506ae8ebe298496…

MALICIOUS

PDF

39.7 KB Created: 2020-07-10 10:55:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 845a16dd794da7fd444257183230980f SHA-1: b360d01744adf5fc4bb34f0a414e879fb74549f1 SHA-256: 4506ae8ebe298496eeb4995eb5afc87e91d8020383dfc35017f0e1ffd4ae3a67
120 Risk Score

Malware Insights

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

This PDF document contains a large number of embedded links, many of which point to suspicious domains and a known malicious redirector. The document body text and link keywords suggest a lure related to 'alkalinitas adalah pdf', likely intended to trick users into visiting malicious sites. The primary attack pattern involves social engineering through deceptive links within the PDF.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.cc/wb?keyword=alkalinitas%20adalah%20pdf
    • http://files.wineworldcup.co.uk/uploads/1/3/1/4/131406527/9715972.pdf
    • http://files.shaakirasharifeducationalpsychologyandtechnologyprogram.com/uploads/1/3/0/7/130739463/pasos.pdf
    • http://files.drawingescapes.com/uploads/1/3/0/8/130813357/xobagolaxi.pdf
    • http://files.lynnkirkham.net/uploads/1/3/0/8/130874318/6548217.pdf
    • http://files.314vbc.org/uploads/1/3/1/0/131070112/635906c4af5.pdf
    • http://files.emeraldpreschoolandkindergarten.com/uploads/1/3/0/8/130874544/9350766.pdf
    • http://files.pegsjewels.com/uploads/1/3/2/3/132303378/bigimed.pdf
    • https://pukidolaza.files.wordpress.com/2020/06/62690855200.pdf
    • https://jurovofat.files.wordpress.com/2020/06/mezesu.pdf
    • https://fujezarek.files.wordpress.com/2020/06/jupokigedovepuwu.pdf
    • https://vokosufike.files.wordpress.com/2020/06/dadose.pdf
    • https://sisukone.files.wordpress.com/2020/06/37865786711.pdf
    • https://neguraxopon.files.wordpress.com/2020/06/kimorojopatujume.pdf
    • https://rebaxoduzun.files.wordpress.com/2020/06/dukivij.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fusuzirosaf.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fodafozisejuleluz.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexanenivoxepabulolud.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/85155057715.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/paxotaxazojulilinitulo.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_off000060a3.bin
9f9f66b7e43082b6d17e79d8c38875b5df9eb9972aecb278a6aaa1a635c716be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60A3 4648 bytes
font_01_sfnt_off0000704e.bin
f6327f6c9f371f389f4c87d493332664a0c93af975414432f2e20496fd202d6c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x704E 9780 bytes

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