MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which are designed to mimic SEO-friendly book titles, leading to a link farm. One of the primary links redirects to a known malicious domain, ttraff.com, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains metadata related to PDF generation and a keyword that aligns with the embedded links, reinforcing the lure.
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/wb?keyword=op%20tandon%20physical%20chemistry%20pdf%20quora In PDF document text
- http://files.whhstdc.com/uploads/1/3/0/9/130969446/gisatavonolubebabe.pdfIn PDF document text
- http://files.waydragon.com/uploads/1/3/2/6/132681625/1674929.pdfIn PDF document text
- http://files.bboybgirllifestyle.com/uploads/1/3/0/9/130969408/497358.pdfIn PDF document text
- http://files.willowcreekfarmsva.com/uploads/1/3/0/7/130775016/zizugoxude.pdfIn PDF document text
- http://files.angelaokeefe.com/uploads/1/3/0/7/130774990/nemofemi_gamupokuwatup_zunoxarabi.pdfIn PDF document text
- http://files.arinsberg.com/uploads/1/3/0/8/130874213/977aed4002d4.pdfIn PDF document text
- http://files.sgkey.com/uploads/1/3/2/7/132741128/matuto.pdfIn PDF document text
- http://files.theosleadershipnetwork.org/uploads/1/3/1/4/131410158/donijakagatajusixob.pdfIn PDF document text
- http://files.sgfbeef.com/uploads/1/3/0/8/130814066/tadukik.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://tawufas436705345.files.wordpress.com/2020/06/gulegiwomuwe.pdfIn PDF document text
- https://povaduw.files.wordpress.com/2020/06/sivekup.pdfIn PDF document text
- https://vajowobago.files.wordpress.com/2020/07/3428923328.pdfIn PDF document text
- https://rogafoxozi.files.wordpress.com/2020/07/webofimiwagepisuwapot.pdfIn PDF document text
- https://zabalime270743903.files.wordpress.com/2020/07/sirimibivasimegurodegol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/63529720688.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0574/7108/files/87576091382.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9575/2858/files/70182793936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1760/0152/files/85435629373.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2412/9946/files/magovapali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/basugogigarerebid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99914628395.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_off000089e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89E8 | 5532 bytes |
SHA-256: a394eba92a81091d7d44091eee8f4e0f645b1d31e2c135be2f04ea8be6e53c8d |
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font_01_sfnt_off00009c80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C80 | 10476 bytes |
SHA-256: 52d9148159d95e8f85d5f5d88b7e67f9ea0c6456e3d7c9f481e3394f2f52d35f |
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