MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector URL (https://ttraff.cc/wb?keyword=materials%20development%20for%20language%20learning%20and%20teaching%20pdf) identified as malicious. This indicates a phishing or scam attempt, likely using the document as a lure for users to click through to malicious sites. The presence of many links to external PDFs suggests an SEO link farm tactic to distribute the 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.cc/wb?keyword=materials%20development%20for%20language%20learning%20and%20teaching%20pdf In PDF document text
- http://files.harrisonandellison.com/uploads/1/3/1/1/131163667/b260f51b7b.pdfIn PDF document text
- http://files.asws.info/uploads/1/3/1/8/131857419/lizijamonukesetewan.pdfIn PDF document text
- http://files.nygreenhealth.com/uploads/1/3/0/7/130776607/xekezono-toberisiwezed.pdfIn PDF document text
- http://files.ollerheadcapital.com/uploads/1/3/2/7/132712214/9300602.pdfIn PDF document text
- http://files.trustonyu.com/uploads/1/3/2/3/132302872/4319045.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0432/8626/6016/files/wivezuweluwexopanawugiro.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9208/9759/files/61573307572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7754/9726/files/73131757981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3033/2060/files/fezepumewunalatebunapag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3113/3340/files/18088723817.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9746/3714/files/88555996460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2027/1264/files/16300383660.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0293/6992/files/10783765663.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8233/3856/files/96227703479.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7026/7300/files/luwapawuvemutesopusojelod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9816/8727/files/ruxifozitos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2748/8168/files/68428676103.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9848/6424/files/66230801376.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a79d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA79D | 5516 bytes |
SHA-256: fbbb4611cb22d9e920798688a18829bae4dbf046c43ccd2f385226c51a4ade0c |
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font_01_sfnt_off0000ba3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA3C | 9992 bytes |
SHA-256: 4026f5a85cfcd1c80f2e1dcf298b88e956bde75aa87d7681163307e4f42bce81 |
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font_02_sfnt_off0000dc59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC59 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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