MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/pify?keyword=simple+addition+word+problems+pdf'. This URL is designed to redirect users to potentially harmful content. Additionally, the PDF exhibits characteristics of a link farm, with numerous embedded links, many pointing to Shopify-hosted files, suggesting an attempt to obscure the malicious destination or leverage legitimate platforms for distribution. The ML classifier also strongly flagged this PDF as malicious.
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/pify?keyword=simple+addition+word+problems+pdf In PDF document text
- http://files.olivetcongregational.org/uploads/1/3/0/7/130775432/1bedeffed4f4.pdfIn PDF document text
- http://files.celiamoore.com/uploads/1/3/2/6/132681985/3421801.pdfIn PDF document text
- http://files.livewellbuddha.com/uploads/1/3/0/8/130874588/tiderefurumago_gejiwisifizo_xaduwawizuluf_vafipopelifuwu.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/1/0433/4750/9416/files/tijeti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/77363931764.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2465/4241/files/gagarajok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4470/8245/files/pabadojig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0084/7781/files/sutova.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7415/0809/files/19044869130.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0985/9999/files/tikov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6346/0508/files/air_pollution_essay_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/rikakaxudote.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/5812/2139/files/cub_scout_wolf_handbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4244/6231/files/html_document_template.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2821/8010/files/76756004097.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3741/6869/files/ruwizetisegi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3178/1791/files/jibekuzitamo.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_off0000563e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x563E | 5524 bytes |
SHA-256: 7a1315dd027a0278b881e602f0b21052bd0ee1be546101cede39b4bf088ac835 |
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font_01_sfnt_off000068ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68EF | 9732 bytes |
SHA-256: 639fae0d3ea71791a6942c17152311989704e3411ccd21cc2ece78e2200b724d |
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