MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to redirector infrastructure. The primary redirector URL is https://ttraff.ru/pify?keyword=present+simple+vs+present+continuous+perfect+english+exercises+pdf, which is known to lead to malicious sites. This indicates a link farm or phishing campaign designed to drive traffic to 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.ru/pify?keyword=present+simple+vs+present+continuous+perfect+english+exercises+pdf In PDF document text
- http://files.daniellerosephotography.com/uploads/1/3/0/9/130969294/rikivirive.pdfIn PDF document text
- http://files.chenowethbairddesign.com/uploads/1/3/1/8/131871894/kawal_fudomur.pdfIn PDF document text
- http://files.killeenalphas.com/uploads/1/3/2/7/132740458/469238.pdfIn PDF document text
- http://files.cathydonahoe.net/uploads/1/3/1/0/131070523/3ba826fbc0fc.pdfIn PDF document text
- http://files.sydneynewhorizons.org/uploads/1/3/2/7/132710787/lozaratorepu_tatira.pdfIn PDF document text
- http://files.riveracorps.com/uploads/1/3/1/4/131408364/4a1a01922745f1.pdfIn PDF document text
- http://files.grettawilson.com/uploads/1/3/1/4/131437351/5306487.pdfIn PDF document text
- http://files.bampilates.com/uploads/1/3/1/4/131438741/1940dcd9a51.pdfIn PDF document text
- http://files.pgtaosa.org/uploads/1/3/0/7/130775520/32560125e006306.pdfIn PDF document text
- http://files.angiesmithsphotos.com/uploads/1/3/1/6/131636601/d49dd127.pdfIn PDF document text
- http://files.dorabramden.com/uploads/1/3/1/3/131382141/3729828.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://rigumiroviwe.files.wordpress.com/2020/06/90355023023.pdfIn PDF document text
- https://porafofaj.files.wordpress.com/2020/06/75744016669.pdfIn PDF document text
- https://kugolofoto.files.wordpress.com/2020/07/85569006030.pdfIn PDF document text
- https://lijopiwa.files.wordpress.com/2020/06/zexokugurofatimi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/6565103434.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59854739703.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/92904811518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/laxefasigapabaxirasu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jojanasesejunuveko.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46456123156.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51025654711.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_off00005d70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D70 | 5368 bytes |
SHA-256: 0cc23cf9e73e4d27be46980b8b39cd8fc54ae60b54151950d0bd9760db35d4d2 |
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font_01_sfnt_off00006f85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F85 | 10176 bytes |
SHA-256: e2d0a351fc7639de6392fac2fba0cb1dad291a95207b31142c7b933d4d1f2e9e |
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