MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to an SEO redirector, which ultimately leads to a malicious URL. The document body itself contains the malicious URL and references to benign-looking content, likely as a lure. The ML classifier strongly indicated maliciousness, and the PDF structure suggests it's designed to drive traffic to malicious infrastructure.
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=printable+school+bus+colouring+sheets In PDF document text
- http://files.brahmansystems.com/uploads/1/3/1/4/131407045/8907027.pdfIn PDF document text
- http://patagoja.fairmountcamp.org/uploads/1/3/1/6/131606490/6913838.pdfIn PDF document text
- http://sidix.gophotovideo.com/uploads/1/3/1/1/131164250/biwadevizaja.pdfIn PDF document text
- http://files.lukeandcristal.com/uploads/1/3/2/6/132683135/disuzilexo_bonudilekafujut_nasoxomituwi_keledavi.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/1/0437/8198/0317/files/51223071558.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7567/4024/files/64367063668.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8353/8331/files/24904031890.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5147/5351/files/alquiler_de_ahoyadores_manuales.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5174/5442/files/zudinirexonazegetez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0821/2638/files/rowajeralisenez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5794/6519/files/color_blind_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8097/4490/files/bengali_spiritual_books_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1002/2814/files/architecture_design_magazine.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8343/2096/files/82815474985.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1359/4526/files/wibigepupamid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/5550/0712/files/dan_abnett_pariah.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6343/5679/files/95237301274.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/2755/7526/files/definicion_de_baja_autoestima_segun_autores.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8758/4677/files/8265972449.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_off00006202.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6202 | 5204 bytes |
SHA-256: 12f9d40dcb0efce73287447213006004ff43108a1afc9947dc146c0a06e03406 |
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font_01_sfnt_off00007399.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7399 | 9612 bytes |
SHA-256: 18243b84e972d23a0ac6ec08f99283e11cef348dd62e960852acadbce3e30d8d |
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