Malicious PDF — malware analysis report

Static analysis result for SHA-256 6eeda1ff548f5eeb…

MALICIOUS

PDF

42.9 KB Created: 2020-08-07 22:37:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: df347e951b0e4010d82b6dc13324b376 SHA-1: a228d8d4ee613ab319ebbcab8393ba86190a1812 SHA-256: 6eeda1ff548f5eebc72bf59bbe9de76bfb242d3b481139eb222fc930ae69a434
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a malicious domain, disguised as educational material. The ML classifier strongly indicates maliciousness, and the presence of multiple external links, including a redirector, suggests a phishing or scam attempt. No scripts were extracted, but the document body and heuristics point to a lure for clicking malicious URLs.

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=cbse+2020+sample+paper+class+10+pdf In PDF document text
    • http://files.emilykearnsphotography.co.uk/uploads/1/3/1/4/131409037/f9cc9b7.pdfIn PDF document text
    • http://loliwa.marauderbots.com/uploads/1/3/1/3/131398455/faponuve.pdfIn PDF document text
    • http://files.fauxbelladesigns.com/uploads/1/3/0/8/130814172/bopitenamawibud.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/1/0428/9835/8432/files/gevuruliwineda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6422/2101/files/saints_row_4_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1992/7713/files/space_marine_codex_2015.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1307/8174/files/76129631137.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2670/1723/files/constitution_and_by_laws_of_ssg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9864/5404/files/24810282401.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5541/5445/files/cambridge_english_first_fce_official_past_papers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4923/8178/files/86749918522.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1556/0616/files/xujunilusamupo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1540/4695/files/63935350219.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4154/4600/files/91797525530.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_off00006990.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6990 5672 bytes
SHA-256: 5235e47e7fec9294844fd7508d6c62aec0f1156ad8de0d19af6d2f4a7af4d045
font_01_sfnt_off00007cc3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7CC3 9976 bytes
SHA-256: 53f397210071e0be0e277ec7630ae434ca22ea5ff2b3880b0d4085630ce0de88

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