MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of links, many pointing to redirectors and SEO-optimized PDF hosting sites, indicating a link farm designed to attract clicks. The primary redirector URL is https://ttraff.cc/pify?keyword=nicomachean+ethics+irwin+pdf, which is flagged as malicious. This suggests the document is part of a phishing or malware distribution campaign, likely using the lure of free downloads to entice users to click malicious links.
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.cc/pify?keyword=nicomachean+ethics+irwin+pdf In PDF document text
- http://files.usatoyfactoryaustin.com/uploads/1/3/0/9/130969632/bemigud.pdfIn PDF document text
- http://zevifu.jennysdelights.com/uploads/1/3/1/4/131453540/mefikotewunuj_jojudotewase.pdfIn PDF document text
- http://files.damesdynastyleauge.com/uploads/1/3/0/7/130739234/lubururosugo-riwudi-zulebuves-pudilorewote.pdfIn PDF document text
- http://roniluw.cuming-klassenclassroom.com/uploads/1/3/2/6/132681556/248e465d9cd.pdfIn PDF document text
- http://files.gubds.com/uploads/1/3/1/8/131856170/jokejobidomidof.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/1/0428/9835/8432/files/baludugosutagaxoreforodul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9754/7157/files/meghan_trainor_i_love_me.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5407/8871/files/nuweruwedabugenijini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9599/9129/files/pebanunupuvubedaxu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0410/8711/files/variedades_linguisticas_del_ecuador.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9967/5040/files/faduzorusipumax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4495/3509/files/binomial_distribution_solved_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3646/5559/files/canon_imageclass_mf3010_service_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3385/4103/files/26851632832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8085/2383/files/54135686266.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5725/9420/files/volabodakomelewun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3680/2204/files/banach_space_in_functional_analysis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5622/5688/files/29477072021.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_off00004ff0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FF0 | 5424 bytes |
SHA-256: 9bf40f4c877385f7d4449996e26df5682151eb7d544693120a6e176f6550d5be |
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font_01_sfnt_off0000624d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x624D | 9880 bytes |
SHA-256: 78cbfc91c31ec12d72b1b4b0a646ad780db1d8db4651fab0e8e90213c35dc015 |
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