MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, many of which point to a redirector infrastructure known for hosting malicious content. The document body, though obfuscated, contains a URL that matches the malicious redirector, suggesting the primary purpose is to redirect users to potentially harmful sites. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
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.com/pify?keyword=christmas+dj+songs++2018 In PDF document text
- http://files.middlingsort.com/uploads/1/3/1/4/131453022/worozefowodu.pdfIn PDF document text
- http://pifiwe.csulbcki.org/uploads/1/3/1/6/131606630/jovax_xaxifajid_mowufu_jasakitusez.pdfIn PDF document text
- http://files.dancetoyourheartsdelight.org/uploads/1/3/1/4/131408369/mafivisi_xonov.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/1/0433/1280/8091/files/91297740236.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6268/8918/files/sociology_a_level_textbook_ocr.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8749/5322/files/38401202654.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2416/0667/files/vatevoputasigage.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7379/8298/files/69742963208.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8613/5961/files/application_octet_stream_to.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/36716039061.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7121/8588/files/fijidodefus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7238/0310/files/lozepokavovarib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9140/9562/files/16863820820.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nefodegaxinavikiva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9972/4702/files/wideluparibewoxibeletaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9146/7163/files/11911558083.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3253/4422/files/88037120102.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_off00005dd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DD3 | 5708 bytes |
SHA-256: 91939e0a626a7e24f4734de8254e17d9db45253001022a8830d041419ed2f0d7 |
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font_01_sfnt_off0000711f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x711F | 9956 bytes |
SHA-256: e8508609a726ccceff02c7985797e9aa2063f760782c172822e4f6c0d4e385be |
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