MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating malicious redirection and a link farm designed to appear as legitimate downloads. The primary lure directs users to a redirector URL, which likely leads to a malicious payload or phishing page. No scripts were extracted, but the embedded URLs and PDF structure strongly suggest a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=oxford+bookworms+library+stage+6+free In PDF document text
- http://files.kimonocha.com/uploads/1/3/1/8/131856285/0386830003bd2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/8865/0146/files/lojefan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7680/5018/files/tecnicas_de_alimentacion_enteral_y_parenteral.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3917/8399/files/dovesuxigawizukexumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7727/0692/files/disney_blizzard_beach_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7295/4269/files/wunidipawiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5031/9517/files/papawo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9492/4694/files/bitupurafofuborejanazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3507/4465/files/federal_university_of_abeokuta_post_utme_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6217/1550/files/44985019843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7181/6358/files/28651280537.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0805/6740/files/96394072572.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000586d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x586D | 23192 bytes |
SHA-256: 7f938ddd0c5220babbbcf926da4e6b7c27928ab7a61478848bcb262ead740bec |
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font_01_sfnt_off0000a186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA186 | 5556 bytes |
SHA-256: 9f74a75bdedcdd2058faf7113e47edfcad90007304a3743a9132c864464a6f29 |
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font_02_sfnt_off0000b493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB493 | 13988 bytes |
SHA-256: f35c321008fe760a58fdab471d3274123720bd3bfa066e669c086d6c44c2cfd8 |
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font_03_sfnt_off0000dc43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC43 | 16160 bytes |
SHA-256: 31f54bf1b2a0bd5fcefce680aa7bc0ab7b2c48a0f9a6877104dd616c0c0a5462 |
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font_04_sfnt_off0000f13f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13F | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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