MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating malicious redirection and link farming, specifically pointing to 'ttraff.com' as a redirector. The document body, though heavily obfuscated, appears to be a lure related to 'basic english worksheets'. The primary attack vector is likely a phishing attempt or malware distribution via the embedded malicious link.
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=basic%20english%20worksheets%20for%20spanish%20speakers In PDF document text
- http://files.jssirite.com/uploads/1/3/0/7/130738568/ruratogepozeji.pdfIn PDF document text
- http://files.grettawilson.com/uploads/1/3/1/4/131437351/5306487.pdfIn PDF document text
- http://files.totallylogicalfear.com/uploads/1/3/1/4/131452935/lukinosuwu-wozeputukedu-badoka-sivapif.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://vamosusugul.files.wordpress.com/2020/07/lezut.pdfIn PDF document text
- https://xakisujufo.files.wordpress.com/2020/06/85887768502.pdfIn PDF document text
- https://nagivujopig.files.wordpress.com/2020/07/papavisibojakeneluve.pdfIn PDF document text
- https://kotosidimof.files.wordpress.com/2020/06/68865030760.pdfIn PDF document text
- https://midogafabub.files.wordpress.com/2020/06/29444345651.pdfIn PDF document text
- https://tododuk.files.wordpress.com/2020/07/24367546418.pdfIn PDF document text
- https://fulazetula.files.wordpress.com/2020/06/seluzanuza.pdfIn PDF document text
- https://gofenibom187364652.files.wordpress.com/2020/07/fenosagu.pdfIn PDF document text
- https://xolufoje.files.wordpress.com/2020/07/49155388844.pdfIn PDF document text
- https://zaguzewurufo.files.wordpress.com/2020/06/gedigepiwo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0974/4789/files/59302106119.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4930/3720/files/zabipejosivugul.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0416/6297/files/31085364099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4746/1788/files/zitaderugafawakusamov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4253/7629/files/bofujinetaralepijina.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/0428/1511/files/juzoxuwedurodowemiledirol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6717/9165/files/mebifubevevi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/23651487672.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_off000070c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70C1 | 5268 bytes |
SHA-256: b8cf7fd8d520a74670f1e9a62be48e9f03b5ecb4d67ff2bdbd3daf264905c999 |
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font_01_sfnt_off000082ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82AE | 10032 bytes |
SHA-256: 48b8b74675d297d085560fccb88dd547f8b168493f52de9140dccbfe5ddb3e56 |
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