MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, including one to a known malicious redirector. The document body, though heavily obfuscated, contains text referencing 'Umd campus map pdf' and includes the malicious URL, suggesting a lure to trick users into clicking. The ML classifier strongly indicated maliciousness, and the presence of a redirector link points to a phishing or credential harvesting attempt.
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=umd+campus+map+pdf
- http://files.pinewoodnaturopathic.com/uploads/1/3/0/7/130739621/dawimurazepob.pdf
- http://files.lucysagilityeq.com/uploads/1/3/1/8/131856247/wubogan.pdf
- http://files.priyankawali.com/uploads/1/3/2/6/132682329/widovejipiv-livure-jekiseb-varasixanix.pdf
- http://files.casichili.net/uploads/1/3/2/6/132683135/jibubupotutitud.pdf
- https://cdn.shopify.com/s/files/1/0435/2330/9727/files/zewewi.pdf
- https://cdn.shopify.com/s/files/1/0436/3023/1712/files/detas.pdf
- https://cdn.shopify.com/s/files/1/0434/3640/8982/files/30806378442.pdf
- https://cdn.shopify.com/s/files/1/0433/4603/4853/files/13759810801.pdf
- https://cdn.shopify.com/s/files/1/0430/1501/2511/files/37989400924.pdf
- https://cdn.shopify.com/s/files/1/0431/8609/4248/files/59391572603.pdf
- https://cdn.shopify.com/s/files/1/0435/4945/8591/files/nelolimesadiwa.pdf
- https://cdn.shopify.com/s/files/1/0431/5791/3754/files/5858250813.pdf
- https://cdn.shopify.com/s/files/1/0428/2155/0247/files/rukaposupesorokifi.pdf
- https://cdn.shopify.com/s/files/1/0428/3564/0487/files/67726727513.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijev.pdf
- https://cdn.shopify.com/s/files/1/0432/8462/7614/files/wubabokisorepitofiv.pdf
- https://cdn.shopify.com/s/files/1/0431/2065/6545/files/luworimelupiwoxaketufapi.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_off00005304.binbefacf44061d981cdb7e5a12070edd1c0dfbf32b2a773afe9d2438cbcab9d976 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5304 | 5164 bytes |
font_01_sfnt_off00006487.bince4810e61a55baa0381c4b1e3a91767d3b3b97944567195df20208efab858dc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6487 | 10080 bytes |
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