MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially obfuscated, contains text related to a 'Cogito watch user manual' and includes the malicious URL. The PDF_SEO_LINK_FARM heuristic suggests a large number of outbound links, likely for SEO manipulation or to distribute malicious content. The ML_NYX_PDF_MALICIOUS classifier strongly supports the malicious nature of this PDF.
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.ru/pify?keyword=cogito+watch+user+manual
- http://wilimored.allinthestory.com/uploads/1/3/1/4/131483027/5877209.pdf
- http://kegukuf.lege-artis.ca/uploads/1/3/1/4/131437919/534f3bdf4ddf.pdf
- http://fabaki.sunriseandpinedesign.com/uploads/1/3/0/9/130969335/fulojamub.pdf
- https://cdn.shopify.com/s/files/1/0437/5091/6247/files/78512470086.pdf
- https://cdn.shopify.com/s/files/1/0427/9389/4044/files/muxogilobesi.pdf
- https://cdn.shopify.com/s/files/1/0430/7002/9975/files/xamewozujonibovojofosa.pdf
- https://cdn.shopify.com/s/files/1/0447/9008/7829/files/comptia_project_study_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/9078/9027/files/flight_of_the_bumblebee_flute_piano.pdf
- https://cdn.shopify.com/s/files/1/0431/5496/4629/files/75026410206.pdf
- https://cdn.shopify.com/s/files/1/0431/3179/7668/files/37232466833.pdf
- https://cdn.shopify.com/s/files/1/0429/9050/2042/files/occupational_health_policy.pdf
- https://cdn.shopify.com/s/files/1/0431/5525/9560/files/tekoneselip.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/71062637782.pdf
- https://cdn.shopify.com/s/files/1/0434/1841/9349/files/99029385467.pdf
- https://cdn.shopify.com/s/files/1/0429/6572/9429/files/make_believe_media_the_politics_of_entertainment.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_off000051bf.binb12ea84ef9cdc5098fa0051d94a2fbe78168b3bf3a63f360ee05950f19b43134 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x51BF | 5212 bytes |
font_01_sfnt_off00006362.bin4be76516344b5fa4290cbfc3cc556f91d0350bdc9faeaa4b079d8e6835cbf17f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6362 | 10396 bytes |
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