Malicious PDF — malware analysis report

Static analysis result for SHA-256 b79b891abb9b01f7…

MALICIOUS

PDF

44.8 KB Created: 2020-08-25 06:53:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f60c527277d317c47903a8e0f3191d7a SHA-1: 74adb8b159404c4d7db9e9ebe83db6b4bf42628b SHA-256: b79b891abb9b01f72f30dac381a4328bf143ec7c7a5925410b487a373c21e656
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains numerous embedded links, with one pointing to a known malicious redirector at 'ttraff.com'. The document body, though partially corrupted, contains text suggesting it is an 'Itinerary app template', which is likely a lure. The presence of a PDF link farm heuristic further indicates malicious intent to distribute links. The ML classifier strongly supports the malicious verdict.

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=itinerary+app+template In PDF document text
    • http://nokov.swe-rms.org/uploads/1/3/2/8/132814930/26c46727.pdfIn PDF document text
    • http://raxisewu.gdtimagepro.com/uploads/1/3/0/8/130813834/vogasemi.pdfIn PDF document text
    • http://files.h72.org/uploads/1/3/2/6/132681513/zesumeveva-rugijixedot-pigexovenotit-tujoxubokitexo.pdfIn PDF document text
    • http://nurovos.southwickchurch.com/uploads/1/3/0/9/130969260/tufisu.pdfIn PDF document text
    • http://files.marsjoyofpainting.com/uploads/1/3/1/6/131606127/1986964.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/1/0430/9073/9361/files/pilates_power_gym_plus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mulobovapu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8742/9785/files/zitowu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7141/3160/files/3d_array_java.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5783/9254/files/33863066975.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4660/7784/files/beths_grammar_school_sixth_form_subjects.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4358/5191/files/goxejoseg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kozaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9911/1070/files/articles_on_distance_education.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9118/9157/files/botany_for_gardeners_third_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6097/7048/files/23495098982.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0574/7108/files/batib.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 8

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_off0000740b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x740B 4828 bytes
SHA-256: a7d544c856ad7b6d7af385d3728fff0e4727f16782ac033dd9b1e22cdaf7f43d
font_01_sfnt_off0000845e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x845E 10008 bytes
SHA-256: 0f76d13aa254ad6642810be08c8b4434579e8f3b16a8df832c79666d5b3413f3

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