Malicious PDF — malware analysis report

Static analysis result for SHA-256 031b7c6a61406f4a…

MALICIOUS

PDF

32.1 KB Created: 2020-09-17 00:57:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7d145305fe46768ff867abb680f08511 SHA-1: a1e9c6205bf0550c619e5be8ea58fea0c1ea4d51 SHA-256: 031b7c6a61406f4a2041baf935787a1ca695be53b1e98981d72d75b8b945017d
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to redirectors and SEO link farms, indicating a phishing or malware distribution attempt. The ML classifier strongly flagged this PDF as malicious. The primary malicious URL identified is https://ttraff.me/wix?keyword=imax+b6+manual+romana, which is likely used to redirect users to a malicious site.

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.me/wix?keyword=imax+b6+manual+romana In PDF document text
    • http://rulujig.aq-usa.com/uploads/1/3/1/3/131379246/nopokozelobudum.pdfIn PDF document text
    • http://files.topofthepodium.org/uploads/1/3/2/8/132815748/soput-fuvakujituguno-figumuzirijujo-puxuwubazub.pdfIn PDF document text
    • http://files.livewellcrawfordcounty.org/uploads/1/3/2/7/132710756/8b9c682c.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/1/0429/2447/4531/files/jawapabobusolodirafomad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9799/5941/files/28534933272.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6899/7288/files/54532381986.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3891/4213/files/75522884579.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6457/2569/files/72216747146.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6798/8376/files/19237077145.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0689/3985/files/free_personal_budget_template_excel_2007.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0613/0337/files/denotation_vs_connotation_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6272/1688/files/6130631649.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/6916/4968/files/dizesojevunarupubexat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/4849/3205/files/jajujibup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8065/5775/files/vekunerubusa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0796/5345/files/melarusakadus.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 3

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_off00004320.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4320 4952 bytes
SHA-256: 37d3c27e2ae67a648097213a722a676213648a9244cce4799fc74e38233bb0d1
font_01_sfnt_off000053e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53E3 9368 bytes
SHA-256: c8db46d1fe3b0241f2dea8091299fc1888bdf4582259f71c6c2d9776d6f8c921

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