MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to an SEO redirector, which in turn points to malicious infrastructure. The document body, though heavily obfuscated, appears to be a lure for 'Antonio Gramsci prison notebooks pdf'. The ML classifier strongly indicates maliciousness, and the presence of redirector links suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=antonio+gramsci+prison+notebooks+pdf In PDF document text
- http://files.colinblumenau.com/uploads/1/3/0/8/130814706/sitarezevafof_bitagurapezez_wudevejakuga.pdfIn PDF document text
- http://files.bookpod.com.au/uploads/1/3/0/9/130969659/burasumejasibu-kefup-titexerite.pdfIn PDF document text
- http://files.create-and-decorate.com/uploads/1/3/1/1/131164479/87fb34cc762a156.pdfIn PDF document text
- http://files.annadivesta.com/uploads/1/3/0/7/130740298/sadutogi_xanife.pdfIn PDF document text
- http://files.vedajess.com/uploads/1/3/0/7/130776142/fexaziletexadir_xavoz.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/1/0430/8077/7882/files/papusakatukuw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/80487087019.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9238/5700/files/goxifitevovilomi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1978/7675/files/80330163764.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4555/2290/files/dudinujiwazupufezaribax.pdfIn PDF document text
- https://gavedokoboli.files.wordpress.com/2020/06/80784540230.pdfIn PDF document text
- https://jararevus.files.wordpress.com/2020/06/40908383251.pdfIn PDF document text
- https://zijolaraf.files.wordpress.com/2020/07/jotujijunanupoginepawijon.pdfIn PDF document text
- https://xoduwataneno.files.wordpress.com/2020/06/vetinariza.pdfIn PDF document text
- https://nemogodulivo.files.wordpress.com/2020/07/denowadazabovuxetipufonu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9635/8565/files/37655374400.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0833/4744/files/55226321315.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4216/8218/files/54871519082.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6004/4710/files/23918731958.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/lumododoxodavuworu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1616/7328/files/waxuwoxupekesobojo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/femexugoxamabupaderobobod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/riwoxipukitow.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_off0000a2fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2FB | 5424 bytes |
SHA-256: a2e521a023fa2151944ea71d024c61c066a101263e1a998f0588ce387654a154 |
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font_01_sfnt_off0000b54b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB54B | 11052 bytes |
SHA-256: 73e7f97b321adaff236831214f8acfac26de9d557e533777f73c4a3a8f6e1744 |
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