Malicious PDF — malware analysis report

Static analysis result for SHA-256 7db80e969e038fed…

MALICIOUS

PDF

72.3 KB Created: 2020-08-19 03:30:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 84c114f93b99499b69bb6a89a78303b3 SHA-1: 23eca759a1ddefc0a7e762248ccb825684230758 SHA-256: 7db80e969e038fed23a0b3a9365959a867344e0f668f83bdeb00785cc45a9084
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting an attempt to distribute malicious content or phish users. The embedded URL, 'https://ttraff.com/pify?keyword=definition+of+informal+norms+in+sociology', is a clear indicator of a malicious redirector. The ML classifier also strongly flagged this PDF as malicious.

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.com/pify?keyword=definition+of+informal+norms+in+sociology In PDF document text
    • http://files.artistginasouthgate.com/uploads/1/3/1/4/131453695/vaseji-zidajunojupuf.pdfIn PDF document text
    • http://files.peacefulthoughtstherapy.com/uploads/1/3/1/3/131398099/ginevelul-xedanezamedep-wumusimuvixi.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/1/0432/3724/5085/files/81641164160.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0486/2375/files/fozasoxuzotopesutef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5346/6271/files/17175494652.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3743/2744/files/army_punjabi_song_ringtone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7784/2597/files/81983814542.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9262/2998/files/54957278580.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9803/8679/files/59512703696.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1818/9980/files/xuwitotiberi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1466/7936/files/island_beach_state_park_fishing_report.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

Related samples 6

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dec5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDEC5 5300 bytes
SHA-256: 0e9e81749b85f9aa7139eb5f3018cd9349c79d2a5bd7f11d079daf8d7a17a8f7
font_01_sfnt_off0000f0bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0BD 10436 bytes
SHA-256: 4a760be026060265d5a93e7a244b537ac62b3b9d3591e9f2c18db920ef7aa89f

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