MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with a critical heuristic firing for a malicious redirector. The document body itself contains obfuscated text and the primary malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier also strongly indicated maliciousness.
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=ccsa+checkpoint+pdf
- http://nefizovad.nzimahse.com/uploads/1/3/1/0/131070571/7639233.pdf
- http://mazopo.skullvalleylavender.com/uploads/1/3/0/8/130874276/retotagosovuni.pdf
- http://files.artawol.com/uploads/1/3/1/4/131407796/fakagoxipuvapor_ganum.pdf
- http://kafetev.kibbutzprogramcenter.net/uploads/1/3/1/1/131164250/dekidebisusos.pdf
- http://files.fccwareham.org/uploads/1/3/2/7/132740860/4414195.pdf
- https://cdn.shopify.com/s/files/1/0431/7754/1787/files/tanovumobu.pdf
- https://cdn.shopify.com/s/files/1/0440/0375/4142/files/the_stranger_by_chris_van_allsburg.pdf
- https://cdn.shopify.com/s/files/1/0437/6245/0586/files/natipeso.pdf
- https://cdn.shopify.com/s/files/1/0433/3014/2363/files/xexezopikis.pdf
- https://cdn.shopify.com/s/files/1/0432/6971/8172/files/82601770136.pdf
- https://cdn.shopify.com/s/files/1/0428/0057/8723/files/bls_provider_manual_2020.pdf
- https://cdn.shopify.com/s/files/1/0429/6284/5859/files/53610007039.pdf
- https://cdn.shopify.com/s/files/1/0437/0087/9510/files/11568769630.pdf
- https://cdn.shopify.com/s/files/1/0429/9263/1962/files/adobe_reader_viewer_download.pdf
- https://cdn.shopify.com/s/files/1/0431/4398/7357/files/mubuzan.pdf
- https://cdn.shopify.com/s/files/1/0431/6830/1212/files/73753888715.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_off0000559c.bin92b064fb3ea2d0bb8231afa89439c42d481cd74bdeb851faa4ddf4755ce8baab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x559C | 5084 bytes |
font_01_sfnt_off000066dc.binca03a017d5610d313edac4bd9e07b0963226f3eb79138a5987923d39c68ae6b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66DC | 11192 bytes |
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