MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that likely serves as the lure. The presence of numerous external links, many pointing to Shopify domains, suggests a link farm or SEO poisoning tactic to increase visibility. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of malicious intent.
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/wb?keyword=purposive%20communication%20lessons%20pdf
- http://nadobe.ourmomentsintime.net/uploads/1/3/1/4/131408899/muvodoreki-zuzojutage-winebazavave-rusosepesamito.pdf
- http://files.lampoonprops.com/uploads/1/3/0/7/130776273/6944960.pdf
- https://cdn.shopify.com/s/files/1/0431/1613/4562/files/12888315147.pdf
- https://cdn.shopify.com/s/files/1/0432/3436/1503/files/57619033529.pdf
- https://cdn.shopify.com/s/files/1/0429/0274/9347/files/campbell_biology_11th_edition_online_free.pdf
- https://cdn.shopify.com/s/files/1/0429/0081/6028/files/list_reverse_python.pdf
- https://cdn.shopify.com/s/files/1/0437/4285/5319/files/gikod.pdf
- https://cdn.shopify.com/s/files/1/0431/2802/9345/files/57364599977.pdf
- https://cdn.shopify.com/s/files/1/0447/2838/5690/files/40429259435.pdf
- https://cdn.shopify.com/s/files/1/0433/7215/0947/files/essentials_of_statistics_4th_edition.pdf
- https://cdn.shopify.com/s/files/1/0434/5711/8374/files/29396224308.pdf
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/94778091157.pdf
- https://cdn.shopify.com/s/files/1/0432/9121/3990/files/jufenozadutopuw.pdf
- https://cdn.shopify.com/s/files/1/0431/4549/4684/files/carcinoma_do_colon.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_off00006668.bin791d1cc95d25b6d585d6cbe2165c9a390862a3c3651d7938fc9cc9e441e291c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6668 | 5364 bytes |
font_01_sfnt_off0000788c.bin26484dbba0dec7d666926dce64ee13301f7369fd7f74233f0efa4496e012114c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x788C | 10524 bytes |
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