MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document is designed as a lure, masquerading as an educational resource to trick users into clicking embedded links. These links lead to a redirector service that further directs users to a link farm, likely for SEO manipulation or to host malicious content. The ML classifier strongly indicates malicious intent, and the presence of numerous external links, including a critical redirector, supports this assessment.
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=meaning+of+evaluation+in+education+pdf In PDF document text
- http://files.airporthistory.org/uploads/1/3/1/1/131164063/kedepapuxizeju_viwesuxodamexa_vijux_xigiwebe.pdfIn PDF document text
- http://files.rsdtech.org/uploads/1/3/1/4/131452922/tegonuno.pdfIn PDF document text
- http://files.communitygardensofventuracounty.org/uploads/1/3/1/3/131383358/63021100832.pdfIn PDF document text
- http://files.mystiquesportfishing.com/uploads/1/3/1/6/131636914/mupigelo-gijibajilinu.pdfIn PDF document text
- http://files.integrativefitnessnursing.com/uploads/1/3/1/4/131482976/cdd82.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9715/3943/files/95357678142.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9959/4656/files/mesinejesibixewixip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3290/2806/files/zarivitezezarufeze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xasaxikopakepiditewevumub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6779/3817/files/chess_titans_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0454/2988/3048/files/active_and_passive_voice_rules_for_all_tenses.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5393/0901/files/download_fifty_shades_of_grey_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1629/8393/files/fopufej.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6191/1458/files/tumekefo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2067/3433/files/kepazepipamir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6338/4991/files/mine_drake_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5339/1780/files/92173916965.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4218/6150/files/93734188599.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/memew.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_off00007553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7553 | 5116 bytes |
SHA-256: 7d994baa1b1fa102296dbe4a23315be16b9bd66951abe2425d835f1205dc03ba |
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font_01_sfnt_off000086ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86EF | 10032 bytes |
SHA-256: f525c48347d3596136ea141615bb9616d5680a2e93504940ec517a96d60c513b |
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