Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b859652aab724cc…

MALICIOUS

PDF

46.9 KB Created: 2020-08-23 23:58:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6e1088d622bbd8b1a0171d99a59d51c3 SHA-1: 062356608d809282bedec439856e33c475464fe2 SHA-256: 5b859652aab724ccc04e5803af40a81666d91c5cb3153c5a7c79d92141ce83a5
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a redirector URL that are flagged as malicious, suggesting a phishing or scam attempt. The document body, though heavily obfuscated, contains a URL that appears to be a lure for downloading a movie. The ML classifier strongly indicates maliciousness. No scripts were extracted, but the presence of multiple embedded links points to an attempt to redirect the user to malicious sites.

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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.cc/pify?keyword=commando+2+movie++480p+worldfree4u In PDF document text
    • http://fodeti.nigelgorskiconsulting.co.uk/uploads/1/3/0/7/130775565/7805eb6002.pdfIn PDF document text
    • http://files.thegeorgeanddragonrowde.co.uk/uploads/1/3/1/8/131856308/zinavunezutoxev.pdfIn PDF document text
    • http://files.tradecanadanepal.org/uploads/1/3/2/8/132815183/8050868.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7240/6179/files/webifugewukatikakori.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7047/9766/files/wetexovigemepukubap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8714/3839/files/what_is_millennials.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1024/3229/files/41156821594.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2371/8824/files/zoxipivuzevipixofimokasu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/8673/3473/files/watujukowakelerus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9966/7099/files/countable_and_uncountable_nouns_online_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1381/5966/files/85626013526.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6671/2479/files/39496408984.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000063aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63AA 5624 bytes
SHA-256: 11f66c0ff239aa297d4e7ee47e5eb262cb5f5dfd9fda989dff8d0fc26c09dd91
font_01_sfnt_off000076c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76C6 10144 bytes
SHA-256: fbf0d4fab11a21a41b23499f774d269d50c588bba832d2944d926f5a8f3e20ff
font_02_sfnt_off00009987.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9987 16164 bytes
SHA-256: 6e3fbd491d8b71441998836ddca0d0c102716a221ea14f8143929167ad9a79b3

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