MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is further supported by the presence of a PDF link farm. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The ML classifier strongly indicated maliciousness. The primary attack pattern involves redirecting users to malicious infrastructure via a disguised link.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=gestational+diabetes+mellitus+acog+pdf
- http://bokifema.caribbeanshadeproducts.com/uploads/1/3/1/4/131453177/gadetubirafevofejowe.pdf
- http://files.bernardcreative.net/uploads/1/3/0/7/130775435/xaditoziwe.pdf
- http://files.idleforde.net/uploads/1/3/0/8/130813846/wexejile.pdf
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/66454139584.pdf
- https://cdn.shopify.com/s/files/1/0431/7275/7670/files/small_scale_enterprises_in_nigeria.pdf
- https://cdn.shopify.com/s/files/1/0429/7395/4204/files/tinazemetujefabupagenatis.pdf
- https://cdn.shopify.com/s/files/1/0433/9436/7649/files/jisudur.pdf
- https://cdn.shopify.com/s/files/1/0432/5838/0446/files/english_japanese_visual_dictionary.pdf
- https://cdn.shopify.com/s/files/1/0432/2754/5757/files/99013949857.pdf
- https://cdn.shopify.com/s/files/1/0435/0273/1430/files/mogovazalidedakovibud.pdf
- https://cdn.shopify.com/s/files/1/0444/3511/2103/files/namakam_chamakam.pdf
- https://cdn.shopify.com/s/files/1/0431/6915/3181/files/42346944801.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000074d8.bin6dfc2d18ef5ac89cf8cb8b3fbe1d6aa6c3a778ba0f050dcfb8baf0dea2ec233a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74D8 | 5552 bytes |
font_01_sfnt_off000087ae.binc6c5ba3860bf4af407dffcd6733ad2e4f71922c4c3d64fbef6b0302429283b4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87AE | 10428 bytes |
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