Malicious PDF — malware analysis report

Static analysis result for SHA-256 717e7fa6062822bc…

MALICIOUS

PDF

40.7 KB Created: 2020-07-08 21:21:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 033bc22b80b58323ce8da1dae3dc06af SHA-1: a580014bacc7a4b1f6570517c4025d014fc06ad7 SHA-256: 717e7fa6062822bc336ed323c7f4355cc8e3647360c0303405442cd3db12b16c
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'ttraff.com'. It also exhibits characteristics of a PDF link farm, containing numerous links to other PDF files hosted on various domains. The document body includes a call-to-action phrase and the embedded URLs suggest a lure to download or access further content, likely for malicious purposes such as SEO spam or distributing additional malware.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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.com/wb?keyword=apics%20cpim%20exam%20content%20manual%20version%206.0
    • http://files.omanroadshow.com/uploads/1/3/1/3/131380158/7738119.pdf
    • http://files.positiveposturenz.com/uploads/1/3/1/4/131483550/sivaf_polatafi_zuwovil.pdf
    • http://files.tricitydj.com/uploads/1/3/1/1/131164418/2001375.pdf
    • http://files.rcdesignceramics.com/uploads/1/3/1/8/131871778/4517147.pdf
    • http://files.arlingtonmsband.com/uploads/1/3/1/6/131606087/ddee7.pdf
    • http://files.mymodamuse.com/uploads/1/3/2/6/132681757/gozilokopo-goworobeb.pdf
    • http://files.larryssportsexchange.com/uploads/1/3/0/8/130874128/folerezome.pdf
    • http://files.iwstreecare.com/uploads/1/3/2/7/132740479/wogupu-zukokitoruwogog-zikezugufada-pubuzesilas.pdf
    • http://files.hlhas.com/uploads/1/3/1/4/131483550/wuvoxipepuzan.pdf
    • http://files.grcrowfamily.com/uploads/1/3/1/0/131070190/3426f7e.pdf
    • http://files.bishopgumbleton.com/uploads/1/3/1/3/131379371/tokasinipegog.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://nivosere.files.wordpress.com/2020/07/zuminutinox.pdf
    • https://zekipanepu.files.wordpress.com/2020/07/femonotapabana.pdf
    • https://wawinoxinej.files.wordpress.com/2020/06/60095815834.pdf
    • https://xidedikef.files.wordpress.com/2020/07/mexulam.pdf
    • https://vikotefo.files.wordpress.com/2020/06/89135633169.pdf
    • https://sofuvono.files.wordpress.com/2020/06/tunufonilorarulemev.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/21533622499.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/taridulozomoxekolakinuku.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/40133843423.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78683638278.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005e88.bin
aa725b0bc8e8b47fb6d21775791bb4495ac9cc9b976017bc120c5689e159a903		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E88 5404 bytes
font_01_sfnt_off000070cd.bin
0cb7c2d1c31808aa713ce1c5331ae1bc28989339c2e5fedfe940b4a81fe5ea80		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70CD 10820 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.