MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The document body, though heavily corrupted, contains the URL https://ttraff.cc/wb?keyword=how%20to%20speak%20english%20fluently%20book%20pdf, which is the primary indicator of malicious intent. This URL likely leads to a phishing or malware distribution site. The presence of numerous other PDF links suggests a broad distribution effort.
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=how%20to%20speak%20english%20fluently%20book%20pdf In PDF document text
- http://files.naturalartgardencenter.com/uploads/1/3/1/4/131453084/bekamaz-xujediviv-jimuvebodak.pdfIn PDF document text
- http://files.skirrowdesign.com/uploads/1/3/0/7/130775154/fazefudusev.pdfIn PDF document text
- http://files.luxurytophomes.com/uploads/1/3/1/1/131164383/sotov.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://zefasizubora831696882.files.wordpress.com/2020/07/32844440791.pdfIn PDF document text
- https://xefuwen.files.wordpress.com/2020/06/28313355457.pdfIn PDF document text
- https://vexekube.files.wordpress.com/2020/06/pijetuxaregijuvoludojevis.pdfIn PDF document text
- https://naxedanu.files.wordpress.com/2020/06/31500002097.pdfIn PDF document text
- https://fozanetawivi.files.wordpress.com/2020/06/zajibodisinidarejib.pdfIn PDF document text
- https://vebujeko.files.wordpress.com/2020/07/36656982099.pdfIn PDF document text
- https://figosita.files.wordpress.com/2020/07/88242960018.pdfIn PDF document text
- https://zemajuku.files.wordpress.com/2020/06/xunefuzitagugeponeki.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38935964995.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2514/5760/files/78294040282.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/sakemiribukewud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6874/4087/files/2821486941.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60801944673.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8506/1541/files/25510445294.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5578033559.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9202/6271/files/61795337942.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6350/9141/files/15058454691.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_off000077f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77F9 | 5448 bytes |
SHA-256: ac16d869e9ef85c8afb6daea646ebcc44289c0ab3225e17edc40e10d48a0c6b3 |
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font_01_sfnt_off00008a8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A8D | 10100 bytes |
SHA-256: 8fae944870eb471806eb9bf29be6e7fe8b09582ac45cf8d98744e60a47214c33 |
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