MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document functions as a link farm, directing users to various PDF files under the guise of educational content. The primary redirector URL, https://ttraff.cc/wb?keyword=biomolecules%20chemistry%20class%2012%20pdf%20ncert, is identified as malicious. The document's structure and embedded links suggest a phishing or scam attempt to trick users into downloading potentially 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=biomolecules%20chemistry%20class%2012%20pdf%20ncert In PDF document text
- http://files.pemmensgolf.net/uploads/1/3/1/3/131379612/febokibilodirina.pdfIn PDF document text
- http://files.kwongwingkwan.com/uploads/1/3/0/8/130813799/zijazawoxa.pdfIn PDF document text
- http://files.bethanylutheranrlf.com/uploads/1/3/1/3/131381819/sizumomonogup.pdfIn PDF document text
- http://files.homesdomains.com/uploads/1/3/1/8/131871488/873ef.pdfIn PDF document text
- http://files.enduringwords.org/uploads/1/3/0/7/130739503/4216710.pdfIn PDF document text
- http://files.macklandscapemanagement.com/uploads/1/3/1/0/131070078/sikusavenuto.pdfIn PDF document text
- http://files.bridgehousesarc.org/uploads/1/3/2/7/132710704/b8536d8.pdfIn PDF document text
- http://files.roadiesrule.com/uploads/1/3/1/1/131164199/7b31fa1f3127cb.pdfIn PDF document text
- http://files.astraknots.com/uploads/1/3/0/7/130739318/6b5af99d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://dowixame.files.wordpress.com/2020/06/neravukigapuwasinexiduwe.pdfIn PDF document text
- https://zuvijig.files.wordpress.com/2020/07/wopugulezimukibatez.pdfIn PDF document text
- https://forenuxi.files.wordpress.com/2020/06/58953990111.pdfIn PDF document text
- https://gebotapigi358268599.files.wordpress.com/2020/06/majeriduxabizu.pdfIn PDF document text
- https://nakilopediv.files.wordpress.com/2020/06/nikizugix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lomapatigusobotatijizu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rimudunibodosugesujusuvud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/japoxotoruzub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dubisetebezurazoxodo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/75904593322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/texigusowemojegovivek.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_off00008570.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8570 | 5612 bytes |
SHA-256: fad77dc4895ea921e1e712034c9c036b20bc08a117703a67e509bb1bf67d2e3e |
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font_01_sfnt_off0000986d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x986D | 10180 bytes |
SHA-256: 3581e7202b579c8e9dd523d72264d6ecb6c2099b8ce83f4fbd5ad04477df0358 |
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