MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a primary malicious redirector URL identified as https://ttraff.com/pify?keyword=aesculap+surgical+instruments+general+catalog+pdf. This suggests the document's purpose is to lure users to malicious infrastructure, likely for subsequent malware delivery or phishing. The ML classifier strongly supports this assessment.
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.com/pify?keyword=aesculap+surgical+instruments+general+catalog+pdf
- http://files.melissakroetsch.com/uploads/1/3/0/7/130775784/7947251.pdf
- http://files.daytonsockcompany.com/uploads/1/3/1/1/131164236/vawano-kesupapo.pdf
- http://files.theidealorganization.com/uploads/1/3/0/8/130874316/9308708.pdf
- http://files.gonzagahealth.com/uploads/1/3/0/7/130775297/3d170.pdf
- https://cdn.shopify.com/s/files/1/0438/2900/2390/files/87362576004.pdf
- https://cdn.shopify.com/s/files/1/0429/6844/9180/files/19284425630.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefopevepal.pdf
- https://cdn.shopify.com/s/files/1/0430/9087/0423/files/47155036653.pdf
- https://cdn.shopify.com/s/files/1/0431/1541/3658/files/97937532317.pdf
- https://cdn.shopify.com/s/files/1/0431/5453/8658/files/ruvalavatofutas.pdf
- https://cdn.shopify.com/s/files/1/0434/0659/0104/files/dapisomegovexenol.pdf
- https://cdn.shopify.com/s/files/1/0430/8218/6905/files/49091574109.pdf
- https://cdn.shopify.com/s/files/1/0439/2324/3176/files/faduxome.pdf
- https://cdn.shopify.com/s/files/1/0429/8558/6841/files/gojukunofotodenafawoj.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_off00004501.binaacf4227b35feed57271482d80cf1199ea7bf7af45e5301c0e60b9b0c96b24d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4501 | 5464 bytes |
font_01_sfnt_off00005784.bina51c5e1273f82e5995f6b53e491ff73dcb78b05448f36f52cf5b45e750023b3f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5784 | 9480 bytes |
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