MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links designed to create an SEO link farm, redirecting users through malicious infrastructure. The primary malicious URL, https://ttraff.ru/pify?keyword=epigenetica+livro+pdf, is identified as a redirector to potentially harmful content. While no scripts were directly extracted, the PDF structure and embedded links strongly suggest a phishing or malware distribution attempt.
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.ru/pify?keyword=epigenetica+livro+pdf In PDF document text
- http://files.iooftxgreaterhouston.org/uploads/1/3/0/7/130776529/begowenide-risedif-gafazinove-tiradu.pdfIn PDF document text
- http://jagawojat.mouthfulofcakes.com/uploads/1/3/1/6/131606490/4352124.pdfIn PDF document text
- http://files.oceanorganicscafe.com/uploads/1/3/2/3/132302892/wowen.pdfIn PDF document text
- http://files.avraprana.com/uploads/1/3/0/9/130969057/nizigitudifosimobeko.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/0509/9675/files/1-_99_fishing.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5624/2581/files/free_editor_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9060/8285/files/nipujakub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5622/5688/files/bodosowaroboz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5158/0568/files/20420114897.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0778/6651/files/11196045826.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4287/3249/files/kusadepiridofanol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8987/9445/files/nuwevoko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/1101/9676/files/gabidebinawarako.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0004/4440/files/nemud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7784/2584/files/95108141547.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1960/7962/files/rowipak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5358/0439/files/portland_trail_blazers_schedule_2020_18.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006acc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6ACC | 4948 bytes |
SHA-256: 5852e4cabb5999d205f5618ecdb8319145f22fcf8e15954d39ec566440f642e4 |
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font_01_sfnt_off00007bb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BB8 | 10436 bytes |
SHA-256: d78d5a5922e9dd37281eca7836207c4fcdb0cfa1e7617075b5bc0475e853415d |
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font_02_sfnt_off00009f72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F72 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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