MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.com/pify?keyword=mario+vargas+llosa+libros+pdf+gratis'. This suggests the document is designed to trick users into clicking the link, likely leading to a malicious download or phishing page. The document body and embedded links reinforce this lure by referencing free PDF downloads.
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=mario+vargas+llosa+libros+pdf+gratis In PDF document text
- http://juboteme.mountaintownplanners.org/uploads/1/3/1/0/131070872/abe3f8770.pdfIn PDF document text
- http://files.themousethatroared.net/uploads/1/3/1/6/131607232/5646355.pdfIn PDF document text
- http://gaxesex.alabamagirlsstate.org/uploads/1/3/1/3/131379730/wiwoweve_lurojowasiras_wowupudasen_vofewalupev.pdfIn PDF document text
- http://files.theborzoishop.com/uploads/1/3/1/1/131164355/mamuriwegun.pdfIn PDF document text
- http://files.kathyskreationsballoonart.com/uploads/1/3/2/6/132682441/8031f9e13f.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/1/0431/3507/4465/files/givifokikomu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2226/2178/files/lekagolojejogenakadawumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7951/3752/files/870093336.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2986/4343/files/bhagavatam_book_in_telugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3874/4476/files/ncert_class_11_accountancy_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1103/8632/files/xobisavofoxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1236/6229/files/kokosokulabebevitu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2493/3283/files/masabizipozexuvefosaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0258/4480/files/33147537638.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2518/7491/files/thinking_in_java_5th_edition_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1828/8285/files/xobasuvisukijikovobepexi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6318/0438/files/arquitectura_de_computadoras_patricia_quiroga_gratis.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_off00007392.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7392 | 4980 bytes |
SHA-256: 85dd214e6c83093778addd7153f77c173d1f1f6abf7820c8cff2aa4446fa8bf6 |
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font_01_sfnt_off00008492.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8492 | 11700 bytes |
SHA-256: a89b5337d20c4b119a2bf0d22b2af1d2c446f1da6ff7e4a8b5f1ac45c144f4b3 |
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font_02_sfnt_off0000aaea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAAEA | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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