MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains heuristics indicating it's a malicious redirector, specifically designed to lure users with a 'study guide' keyword. The embedded URL, https://ggtraff.ru/123?keyword=amendments+study+guide, is flagged as malicious. Although no scripts were explicitly extracted, the PDF structure and redirector link strongly suggest an attempt to deliver a malicious payload or phish credentials.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://ggtraff.ru/123?keyword=amendments+study+guide In PDF document text
- https://cdn-cms.f-static.net/uploads/4368750/normal_5f883bd420cad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369629/normal_5f8cb2345b4a6.pdfIn PDF document text
- https://sijevunima.weebly.com/uploads/1/3/1/8/131859613/jujapatuzevu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380876/normal_5f8cc2a99d943.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379032/normal_5f9172bd85321.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372963/normal_5f99ca2e4d01e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370062/normal_5f9e05cc66f6e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409602/normal_5f9480f9833bd.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/1/0463/3070/8129/files/ender_in_exile_epub.pdfIn PDF document text
- https://s3.amazonaws.com/sugaguxagu/75540221013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0492/4119/4652/files/pipunovowijisarugagore.pdfIn PDF document text
- https://s3.amazonaws.com/sedimeraxufi/active_voice_and_passive_voice_question.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1653/3654/files/xivekogadoposupakimuve.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6706/4991/files/warship_craft_cheats_2017.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007d6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D6A | 4896 bytes |
SHA-256: 916749f1de957dc24d01cee76dcf6a4d047715b86d5b4c4cb93b3b5cd1dbca76 |
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font_01_sfnt_off00008e11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8E11 | 10372 bytes |
SHA-256: c991eb0b8255968a1c8bd8ef871fa4f0a2caa2b8b4c9eb3b7448ab54fa503e12 |
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