MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=biblia+de+estudio+el+diario+vivir+pdf', which is a known malicious redirector. This indicates the document's primary purpose is to lure users to malicious infrastructure. No scripts were extracted from this sample.
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=biblia+de+estudio+el+diario+vivir+pdf In PDF document text
- http://files.winningtimefarm.com/uploads/1/3/1/3/131378990/9010879.pdfIn PDF document text
- http://files.nerodue.com/uploads/1/3/0/7/130776728/ginax_zixekozotepi_pirasoka_wizoziwopavu.pdfIn PDF document text
- http://fezezogim.cambridgesupervisiontraining.org/uploads/1/3/2/6/132681337/divef.pdfIn PDF document text
- http://files.gregoiremazars-folio.com/uploads/1/3/1/8/131856160/jorabizaxobu_xukokufesar_virunek_fudet.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/1/0428/8249/8716/files/difimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/32108886007.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1433/2309/files/83427639964.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2417/7557/files/99647298483.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5272/8474/files/gitexowineravemad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8519/3621/files/jesalon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0459/7225/8983/files/character_sheet_app_iphone.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7927/9527/files/giwinezarire.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0768/0405/files/kurepaxevav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5989/5717/files/avast_windows_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23083433767.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E5D | 5060 bytes |
SHA-256: 4854ff18c958b3b80091e7837e9cef485bd5b902a92ba6c3b8af00a289f9eebb |
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font_01_sfnt_off00006f99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F99 | 5644 bytes |
SHA-256: fd8135f2878daa217c081b1c1eab8a02243f5322463d0279eb94a41b3d7c7287 |
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font_02_sfnt_off000083f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83F0 | 12084 bytes |
SHA-256: f74124e9d152d09678e4b6f9d23856b40eadb79834874f8df167ddf599f96ae9 |
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font_03_sfnt_off0000ab09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB09 | 17100 bytes |
SHA-256: 1dd2025c49f35db5d8a17ef2d35403f1077e832e24293366ee41c95be44493dd |
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font_04_sfnt_off0000c2e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2E5 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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