MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, including one to a known malicious redirector at 'https://ttraff.ru/pify?keyword=learn+advanced+excel+free+pdf'. The document body also contains this URL, suggesting a lure for free educational material that ultimately leads to malicious infrastructure. The ML classifier 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.ru/pify?keyword=learn+advanced+excel+free+pdf
- http://files.tcmattsandsons.com/uploads/1/3/1/3/131384492/monixanibel-jenexurewujep-ninonawuj.pdf
- http://files.alpinelakes.net/uploads/1/3/0/7/130775228/solit_viwegixu_dixedur.pdf
- http://files.cowpattiesclothdiapers.com/uploads/1/3/0/7/130776589/manowoxuderig.pdf
- http://files.southerncrossdrivertraining.com/uploads/1/3/0/7/130739315/1493695.pdf
- https://cdn.shopify.com/s/files/1/0431/5011/4978/files/terukib.pdf
- https://cdn.shopify.com/s/files/1/0438/9902/7611/files/taxunelo.pdf
- https://cdn.shopify.com/s/files/1/0431/5676/6869/files/temevowafuravamej.pdf
- https://cdn.shopify.com/s/files/1/0434/7576/3353/files/bizewavabigisezajijazux.pdf
- https://cdn.shopify.com/s/files/1/0434/8870/6717/files/gafoke.pdf
- https://cdn.shopify.com/s/files/1/0430/9562/1796/files/22527146301.pdf
- https://cdn.shopify.com/s/files/1/0428/3518/1724/files/rofidozol.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jonamov.pdf
- https://cdn.shopify.com/s/files/1/0432/3475/4728/files/wemarosowesusafiga.pdf
- https://cdn.shopify.com/s/files/1/0435/6676/0095/files/5984475752.pdf
- https://cdn.shopify.com/s/files/1/0429/5249/1159/files/43218265281.pdf
- https://cdn.shopify.com/s/files/1/0433/2303/1720/files/gobojuwekanudurixevikeg.pdf
- https://cdn.shopify.com/s/files/1/0427/5470/3526/files/nezaf.pdf
- https://cdn.shopify.com/s/files/1/0432/7155/3189/files/21122169373.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_off00007ba6.bincc09c0052a07b05376fb0f7cd5b4bc568a1e5c321cc65b7aa9dfc7aa33e02459 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BA6 | 5040 bytes |
font_01_sfnt_off00008cf1.bin58d5c11032fa053d6c0153c595e778573b7647f58a79e268289fda5a824ccd22 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CF1 | 10552 bytes |
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