MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to a medical handbook and includes the malicious URL. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of a link to malicious infrastructure, and PDF_SEO_LINK_FARM indicates a large number of external links, likely for SEO manipulation or to host further malicious content.
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+handbook+of+accident+and+emergency+medicine+pdf In PDF document text
- http://files.actiontire.com/uploads/1/3/0/9/130969754/66c24c37f820.pdfIn PDF document text
- http://files.thekesine.com/uploads/1/3/0/7/130775588/1140004.pdfIn PDF document text
- http://files.angelaadockter.com/uploads/1/3/2/6/132681492/9128e4b92f50.pdfIn PDF document text
- http://xilurez.shorelinehicap.org/uploads/1/3/0/8/130814526/40f02cc547975d.pdfIn PDF document text
- http://files.withhiminheavenlyplaces.com/uploads/1/3/0/8/130814868/pofaketikirupim-memedorevog-vuvopusexa-jazikurimew.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/1/0432/7460/0598/files/vunufizejopirilil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3672/8734/files/100_carols_for_choirs_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3126/3394/files/jefaxixivak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8238/9406/files/lafinixemapekemotijatum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8143/3242/files/fudewelipilupiwivosukana.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9113/2567/files/46605420549.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9673/4885/files/jakolefix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9567/8359/files/67394793953.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2742/9533/files/american_english_file_2_workbook_resuelto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2823/3887/files/pan_card_offline_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6426/1797/files/xevunaburo.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000456b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x456B | 5548 bytes |
SHA-256: 1d3feef2b0a1d2be69529406389b01c7b058c91680c135c0b7201127b2557149 |
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font_01_sfnt_off00005827.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5827 | 9060 bytes |
SHA-256: f9aaff1052f94ea22b8ea030378276bcaea152a6b566f47808c779b8c2dc3cb9 |
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font_02_sfnt_off00007714.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7714 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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