MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, many of which point to a redirector service identified as malicious. The document body, though heavily obfuscated, contains references to 'The silk road book pdf' and a malicious URL, suggesting a lure for users seeking content. The presence of a malicious redirector link indicates an attempt to lead the user to a compromised or malicious site, likely for further exploitation or credential harvesting.
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.ru/pify?keyword=the+silk+road+book+pdf In PDF document text
- http://files.thebsquadproject.com/uploads/1/3/1/3/131383380/3928268.pdfIn PDF document text
- http://files.maplepta.com/uploads/1/3/1/8/131856330/faraza.pdfIn PDF document text
- http://files.winniethesiu.com/uploads/1/3/2/8/132815298/395a727cc241b.pdfIn PDF document text
- http://files.jorgenlauritzen.com/uploads/1/3/1/4/131453615/nokuvopi-wufolobisevi-zisatozumeritu-samesexujufa.pdfIn PDF document text
- http://files.arrivecollegeconsulting.com/uploads/1/3/1/0/131070894/zumabesevem_japuza_tikiminuditeg_janiderizu.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/1/0431/1249/7313/files/29836155619.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/1229/5589/files/40827871844.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3526/3138/files/21433785098.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0669/5320/files/69055274676.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0655/7347/files/seattle_dmv_hours.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2257/1930/files/tidezinixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3492/6495/files/siput.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6193/6290/files/64244031142.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6355/8815/files/essential_calculus_early_transcendentals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8158/1209/files/nulosamekifamozapavamoze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6472/9512/files/tumifulupafuwizevitof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5314/5495/files/15131796769.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9100/0472/files/transient_student_ucf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4686/9911/files/javascript_keycode_list.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5942/1092/files/72075130319.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_off00007e7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E7F | 5284 bytes |
SHA-256: bd7dead073c3c86dbe86f6deac04b9ad46619b4933cd6192b9a1ffb3e3e7993c |
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font_01_sfnt_off00009065.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9065 | 10036 bytes |
SHA-256: 300f0ec6afda7a526b1ae90d5f7771114e083634c9dcc6718ddea71f96604e42 |
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