MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one pointing to a known malicious redirector (ttraff.com). This indicates a likely attempt to redirect the user to a malicious site for phishing or malware delivery. The document body, though heavily obfuscated, contains the URL that triggered the heuristic, reinforcing the malicious intent. The presence of a link farm suggests an attempt to game search engine results for the PDF.
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=historia+del+bienestar+laboral+pdf In PDF document text
- http://files.taprootfarmwv.com/uploads/1/3/0/7/130775840/ropilavubi-joxeruwenu.pdfIn PDF document text
- http://files.ianlinden.com/uploads/1/3/1/1/131164016/rikobusadatovup_vobazom_debobexi.pdfIn PDF document text
- http://files.lifestylemagazineflorida.com/uploads/1/3/0/9/130969206/luliredes.pdfIn PDF document text
- http://files.iemespsc.com/uploads/1/3/1/3/131379844/pufasogosavenowawit.pdfIn PDF document text
- http://files.reinventionandrecovery.com/uploads/1/3/0/7/130776852/lifazewumipebox.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/1/0433/8555/3061/files/nibetibujutikap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5625/1555/files/62234491244.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9159/7214/files/83312667458.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4660/7784/files/46272223058.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1497/9737/files/9893660821.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2826/6654/files/puxifofisuwimejejotajede.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7766/4929/files/28967791135.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3101/8142/files/first_and_last_name_generator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0304/2216/files/pdf_to_word_nitro_online_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2278/6466/files/asian_tigers_history.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5458/7288/files/2002_jeep_wrangler_owners_manual_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8039/3639/files/michael_beckwith_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8273/5006/files/ti_whatever_you_like._mp3.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008d12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D12 | 5136 bytes |
SHA-256: 66db46798443f5fb8627dfb1ec947a69b0e342e08c073f8f5c0bf0f12a324eda |
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font_01_sfnt_off00009e8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E8C | 11240 bytes |
SHA-256: 58520e8ef335d3dca5d1417672d34d67e0ecdf8e10eaa02dffbb2e2b41285c07 |
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