MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link leads to a URL that is known to host malicious content. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDF files, suggesting an attempt to manipulate search engine results or distribute further malicious content.
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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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=glencoe%252F+mcgraw-+hill+health+worksheet+answers
- http://kuliz.theslowmusicmovement.org/uploads/1/3/0/7/130775506/fekugufuner_kugud_sojizivi_pubapaji.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/64830269039.pdf
- https://cdn.shopify.com/s/files/1/0435/0381/2773/files/kodedewujoletakelozasur.pdf
- https://cdn.shopify.com/s/files/1/0433/8732/2522/files/38621002443.pdf
- https://cdn.shopify.com/s/files/1/0434/1969/7308/files/wabusix.pdf
- https://cdn.shopify.com/s/files/1/0428/5353/1807/files/60727856032.pdf
- https://cdn.shopify.com/s/files/1/0433/3810/4985/files/html_input_type_file_accept_only.pdf
- https://cdn.shopify.com/s/files/1/0433/1218/5502/files/60677102441.pdf
- https://cdn.shopify.com/s/files/1/0431/2491/6388/files/30317111076.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076b9.bin3f7025a299b86ae2faf463affc51b2a4f4fd8a9c04ac08581972ebd17e2b617a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76B9 | 5468 bytes |
font_01_sfnt_off00008946.binf02cd1f7266372e3c7ef141da49646f3dde8365dc760b3ea4e582fa9ac19ed15 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8946 | 10416 bytes |
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