Malicious PDF — malware analysis report

Static analysis result for SHA-256 d07c588816d856e3…

MALICIOUS

PDF

38.8 KB Created: 2020-10-08 11:08:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-06
MD5: 302fe481156b6f03e82a57ed62fad1a7 SHA-1: 1838775fc441e2e8e84c0e5e8ba7e7012ab5a7b7 SHA-256: d07c588816d856e340609b6e0903a222f36124ca9681ffef65237b617aeada1d
194 Risk Score

Malware Insights

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

This PDF document contains numerous links, including one to a known malicious redirector, disguised as a maintenance guide for a Fellowes laminator. The document body and heuristics indicate a link farm designed to redirect users to potentially malicious content. The primary malicious URL identified is https://gettraff.ru/strik?keyword=fellowes+jupiter+125+laminator+jam, which is flagged as a malicious redirector.

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://gettraff.ru/strik?keyword=fellowes+jupiter+125+laminator+jam In PDF document text
    • https://site-1038412.mozfiles.com/files/1038412/50288077221.pdfIn PDF document text
    • http://files.sugarmapletables.com/uploads/1/3/0/8/130814225/xewufa_penewizudif.pdfIn PDF document text
    • http://files.darbychristian.com/uploads/1/3/2/6/132695388/3525190.pdfIn PDF document text
    • http://files.koreanatoledo.com/uploads/1/3/1/3/131382680/zirewukavasavifo.pdfIn PDF document text
    • http://lobureb.hjbandboosters.com/uploads/1/3/0/7/130739456/345938.pdfIn PDF document text
    • http://nuralutit.elizabethandersondance.com/uploads/1/3/0/9/130969445/3128c98d.pdfIn PDF document text
    • http://files.livelifepurpose.com/uploads/1/3/2/7/132710671/90719e6488.pdfIn PDF document text
    • http://files.sheikhimran.com/uploads/1/3/0/7/130776401/dafugo-ditidawufup-daledilafikurex-golulomojewenav.pdfIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004ab0.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004ab0.bin)
    • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00007e97.bin)
    • https://cdn.shopify.com/s/files/1/0499/1480/6440/files/gmod_free_unblocked.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0485/1770/9986/files/39030260808.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/7510/3637/files/white_ash_leaf_arrangement.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5024/6054/files/15223495244.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3683/5993/files/fugl_meyer_assessment_ue.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 extracted file (font_00_sfnt_off00004ab0.bin)

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_off00004ab0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4AB0 5280 bytes
SHA-256: b6d4eca012dc9e7c896bf37f39aa3adb2d1c353b62e368e97b8f2fac10f769ba
font_01_sfnt_off00005ca3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CA3 9960 bytes
SHA-256: ea8cd379572a53306b5d312db70e645a74594100bd76762ba9e5daf5e826c1e2
font_02_sfnt_off00007e97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E97 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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