MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to external websites, with a critical heuristic identifying a malicious redirector infrastructure. The document body, though partially corrupted, includes a URL that matches the redirector, suggesting a phishing or malware delivery attempt. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the malicious destination.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=topography-+guided+conductive+keratoplasty+for+keratoconus
- http://zosas.coastguardinvestigativeassociation.org/uploads/1/3/0/7/130776677/xaxibixa.pdf
- http://buxiko.halfhouse.org/uploads/1/3/1/4/131407227/f969610a1d47f1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xogasetixudaxaw.pdf
- https://cdn.shopify.com/s/files/1/0437/7945/7173/files/pdf_files_download_instead_of_opening_in_browser_chrome.pdf
- https://cdn.shopify.com/s/files/1/0465/5097/4614/files/manual_for_maytag_bravos_xl_dryer.pdf
- https://cdn.shopify.com/s/files/1/0439/0685/9176/files/76019813304.pdf
- https://cdn.shopify.com/s/files/1/0431/5050/8181/files/las_bienaventuranzas_y_su_significado.pdf
- https://cdn.shopify.com/s/files/1/0464/6528/6302/files/94278703662.pdf
- https://cdn.shopify.com/s/files/1/0429/1241/5897/files/kudiku.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_off000081ba.binba12a813fc2d96d01f733065b9afc940b4ab3e857ca0268952ce871963526f98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81BA | 5624 bytes |
font_01_sfnt_off000094f1.binecfcd6e1bca5c03820450412c07781e601d481943b785e431634ba7c40021605 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94F1 | 10976 bytes |
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