MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous links, many of which point to a redirector service designed to obscure the final destination. The primary malicious link, https://ttraff.com/pify?keyword=accumulator+function+in+hydraulic+system+pdf, is identified as a malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign, likely intended to phish users by presenting a seemingly legitimate document that ultimately leads to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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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://ttraff.com/pify?keyword=accumulator+function+in+hydraulic+system+pdf In PDF document text
- http://wiriki.caribelli.com/uploads/1/3/2/8/132814930/nezagovuborawo_wexoditiwa_bulodijidokaj_mopegari.pdfIn PDF document text
- http://files.fanfaresandreveries.com/uploads/1/3/1/4/131454049/fde917f.pdfIn PDF document text
- http://files.artbeyondthedivide.org.au/uploads/1/3/0/8/130813325/vevopirinofuruzevu.pdfIn PDF document text
- http://files.thegolfadventure.net/uploads/1/3/2/6/132682919/c24403a61aa133.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/1/0432/3019/9966/files/63092160132.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4340/4441/files/naruto_shippuden_episode_30.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0975/3767/files/39676926265.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3611/4076/files/62228638522.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6087/7729/files/courage_book_by_osho.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2399/7856/files/lajeniwesavulopofuvas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1024/4256/files/rugusiroduvafikepesuvog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3367/3380/files/32793985683.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5713/5264/files/sugajerifukidoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1218/5494/files/mitamevifozotilexilega.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4251/2791/files/calendario_serie_d_girone_d_2020_19.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0225/6795/files/57489535246.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0878/5562/files/curso_de_violo_completo_em.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6288/6554/files/pojanowixusu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/4672/5790/files/morogakepururirijiv.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_off000066f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66F4 | 5484 bytes |
SHA-256: a8774a2c7167a987d6407e00f27122bf6309e9aa69136f978250cd2160cf10e4 |
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font_01_sfnt_off0000797f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x797F | 9780 bytes |
SHA-256: 8e8136045b17854c33f1f164971917daab176abe1f1f15802449349f839d0805 |
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