MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to a redirector service, which in turn leads to a link farm of other PDFs. The primary malicious link is disguised as a 'Spanish grammar textbook pdf' and redirects to 'https://ttraff.com/pify?keyword=spanish+grammar+textbook+pdf'. This indicates a phishing or scam attempt, likely to lead users to further malicious content or compromise.
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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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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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=spanish+grammar+textbook+pdf
- http://files.hopehf.com/uploads/1/3/0/9/130969690/54fad93.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3038/8642/files/86121135697.pdf
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/dilumademubozonez.pdf
- https://cdn.shopify.com/s/files/1/0435/9703/7727/files/cantaloupe_island_piano_solo_transcription.pdf
- https://cdn.shopify.com/s/files/1/0450/9846/7480/files/american_cancer_society_mammography_guidelines_2017.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wawufomujemozinabewa.pdf
- https://cdn.shopify.com/s/files/1/0441/2620/8152/files/72076928509.pdf
- https://cdn.shopify.com/s/files/1/0427/7056/3239/files/ludujise.pdf
- https://cdn.shopify.com/s/files/1/0430/1452/0995/files/lista_calciatori_fantacalcio_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/8558/6841/files/anorexia_y_bulimia_tratamiento.pdf
- https://cdn.shopify.com/s/files/1/0429/9807/1450/files/18988190534.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006008.bin4c3814baf91b7672cd24d6a635bbd3daceb2a5152d3c40737f10bb1c55d70183 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6008 | 5800 bytes |
font_01_sfnt_off0000738d.bin5175ed834c6b036ee85d1fcf591fbedb827b8f6083eb956f8a20fbaada2ec690 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x738D | 10292 bytes |
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