MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to benign-looking PDFs hosted on WordPress.com and other file-sharing sites. However, one critical link redirects to a known malicious domain, ttraff.com, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create documents for SEO manipulation or to disguise malicious content.
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=reading%20and%20writing%20lesson%20plan%20pdf In PDF document text
- http://files.martin-land.com/uploads/1/3/1/6/131636584/dubazuwowiwek.pdfIn PDF document text
- http://files.littleriverfarmstore.com/uploads/1/3/0/9/130969503/gazakajosa.pdfIn PDF document text
- http://files.samanthaecooper.com/uploads/1/3/0/7/130739011/xevolabemideluguf.pdfIn PDF document text
- http://files.ecommplish.com/uploads/1/3/0/8/130814926/vuguf.pdfIn PDF document text
- http://files.cowboysmetal.com/uploads/1/3/1/8/131858287/dazugidaj.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://melexiv.files.wordpress.com/2020/06/nusim.pdfIn PDF document text
- https://xoxapuziri.files.wordpress.com/2020/06/95151511764.pdfIn PDF document text
- https://bubopero.files.wordpress.com/2020/06/7228225942.pdfIn PDF document text
- https://jizerorozuwo.files.wordpress.com/2020/06/77352674203.pdfIn PDF document text
- https://pokivuwewej.files.wordpress.com/2020/07/98509048576.pdfIn PDF document text
- https://puponiwil.files.wordpress.com/2020/07/sitapelagelidesaruximaj.pdfIn PDF document text
- https://walumuvov.files.wordpress.com/2020/07/tudil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37237973095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1666/7814/files/tibusojudozagufaboro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3606/5435/files/zafewuvalofe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3645/8654/files/35734523113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20116177671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2135/2606/files/gufoliketik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6372/1637/files/voxidej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7328/2983/files/pivabafunaliretudapon.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_off0000e3a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A7 | 5096 bytes |
SHA-256: 53d19fc2feffda735b442713c943792d286e9ce0dd2f0bedf9f733d0737fa212 |
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font_01_sfnt_off0000f519.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF519 | 10516 bytes |
SHA-256: 432b3a122bc446272a7f70a70bae0ef9dcb1c63aba92b9a8956d0fa7858119d3 |
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