Malicious PDF — malware analysis report

Static analysis result for SHA-256 08b883af8cc4f6ae…

MALICIOUS

PDF

119.4 KB Created: 2020-09-08 01:59:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7abedfab1ff16ff86c6a3f1d4c06435a SHA-1: 350e4dd1c1cbd83f1dfc7b9132f71646b4f45687 SHA-256: 08b883af8cc4f6aeab809fc4aeb34f963487b8359b5d28a7eb2b2f1b1edecf99
162 Risk Score

Malware Insights

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

This PDF file contains a link that promises access to a movie, a common lure for phishing or malware distribution. The link directs to a known malicious redirector infrastructure. The PDF also contains a large number of external links, suggesting it might be part of a link farm or used for SEO manipulation to drive traffic to malicious sites. No scripts were extracted, but the presence of malicious links and the ML classifier's high confidence indicate a malicious intent.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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.club/pify?keyword=jurassic+world+2018+telugu+movie
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://static.usrfiles.com/ugd/1decf9_93f68ecf28fd49dfa8fb6e1bf0f65fe1.pdf
    • https://static.usrfiles.com/ugd/696117_50c9cbb97e0545a7a4a625d94d3dbcfc.pdf
    • https://static.usrfiles.com/ugd/e4a001_23a0089ca7934b45ad0723c01e55cb45.pdf
    • https://static.usrfiles.com/ugd/c3548c_db661eb3454d401c9b0a5180e47895ad.pdf
    • https://static.usrfiles.com/ugd/66f3f9_a05224274ab442f69993f6ea42a38062.pdf
    • https://cdn.shopify.com/s/files/1/0433/7080/7461/files/susar_reporting_pharmacovigilance.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/30617095305.pdf
    • https://cdn.shopify.com/s/files/1/0451/4293/3657/files/cabanagem_no_par.pdf
    • https://cdn.shopify.com/s/files/1/0438/7402/5640/files/partes_de_un_templo_catolico.pdf
    • https://cdn.shopify.com/s/files/1/0433/7431/3621/files/69658500046.pdf
    • https://cdn.shopify.com/s/files/1/0432/5274/4356/files/35187974166.pdf
    • https://static.usrfiles.com/ugd/39a0fd_6ee5237065fb44689fa77b75968a00d6.pdf
    • https://static.usrfiles.com/ugd/ed64d2_73a0862c5ffa40e083ad8e9f8503b5d7.pdf
    • https://static.usrfiles.com/ugd/740d8c_a69ce731a0b947718b2355358aec170b.pdf
    • https://static.usrfiles.com/ugd/b0cd75_04f13421f2a847fe9c0e14ea3eadf703.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_off000193e9.bin
cfcb3cecaf15d54a6347b03b8a9a75f6316abd31d3519894933a36ec99d6ce9c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x193E9 5920 bytes
font_01_sfnt_off0001a812.bin
3d32723b6ed26657ea463b2e72a8fc3ac8c446cc0ee60c66254ab509a54e4809		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1A812 11876 bytes

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