MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links to other PDF files, a technique often used to inflate search engine rankings or distribute malicious content. One of these links, https://ttraff.cc/pify?keyword=biotina+efectos+adversos+pdf, is identified as a malicious redirector. This suggests the document is part of a campaign to lure users to malicious sites, likely for phishing or malware distribution.
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.cc/pify?keyword=biotina+efectos+adversos+pdf In PDF document text
- http://files.truth2be.net/uploads/1/3/0/7/130738924/resiromora-kululaxorow-jubami-mobedolajetame.pdfIn PDF document text
- http://files.sunsationalsixthgraders.com/uploads/1/3/0/8/130874197/c9226.pdfIn PDF document text
- http://wovejiw.happyteachers.co.uk/uploads/1/3/1/3/131379246/nugabemitoluver.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/1/0437/0936/6427/files/58268398490.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3282/8314/files/55807582604.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2589/1479/files/libro_examenes_cae.pdfIn PDF document text
- http://rizanave.jpetrovic.people.ua.edu/uploads/1/3/0/7/130738666/bibuzavipafeto-funarok-tejixatijukidij-dozuzutotoke.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7437/8138/files/fusozimida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1901/6104/files/nosidajodilupulukoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/rabizuvawena.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8380/9439/files/53261013702.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6855/5415/files/69794430513.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7431/3621/files/punctuation_worksheets_for_grade_3_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1692/0996/files/pijositarudik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2195/9325/files/77183505508.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006835.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6835 | 5228 bytes |
SHA-256: 23cb893f3cb7c4e818097b7694fb859f2f1572afa6dba53cd5fba93b002d5289 |
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font_01_sfnt_off00007a1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A1E | 10892 bytes |
SHA-256: 94b85351bac946b9424eef50ef8b45a462a100bc3fdb18368ecc0c0a31f56d48 |
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font_02_sfnt_off00009dd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DD3 | 16092 bytes |
SHA-256: bfc441d837b7b3b6e145db50ef40ca26079b22b75b7d4883bc21c88ef510c1a9 |
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