MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=assessing+and+evaluating+student+learning+pdf', is designed to lead users to malicious infrastructure. The PDF also exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify domains. The ML classifier strongly supports the malicious verdict.
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=assessing+and+evaluating+student+learning+pdf
- http://files.rockwoodtennis.com/uploads/1/3/0/7/130739522/7385887.pdf
- http://files.maggieshao.com/uploads/1/3/1/1/131163969/93a88.pdf
- http://kofeture.allterrainmotorsport.com/uploads/1/3/2/6/132682787/livukedo.pdf
- http://rovavu.kambellishments.com/uploads/1/3/1/4/131407406/d98b19056a9fbd7.pdf
- https://cdn.shopify.com/s/files/1/0428/7578/1276/files/64993501911.pdf
- https://cdn.shopify.com/s/files/1/0430/2739/8807/files/jisumexufukakigexa.pdf
- https://cdn.shopify.com/s/files/1/0429/4351/2732/files/kawekev.pdf
- https://cdn.shopify.com/s/files/1/0427/8334/2748/files/13040351059.pdf
- https://cdn.shopify.com/s/files/1/0434/6567/0806/files/acarbose_50_mg_bula.pdf
- https://cdn.shopify.com/s/files/1/0429/6284/5859/files/24340765701.pdf
- https://cdn.shopify.com/s/files/1/0434/9942/1856/files/49963279831.pdf
- https://cdn.shopify.com/s/files/1/0437/5547/1002/files/vokuvaj.pdf
- https://cdn.shopify.com/s/files/1/0431/1639/6697/files/vokewotew.pdf
- https://cdn.shopify.com/s/files/1/0429/6825/2565/files/cambridge_english_complete_key_for_schools_student_s_book.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_off0000677a.bin579c6301c032779e2eee9db88fe1e7dd50c2e9ac8e50cf2ef8d6df8962094b95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x677A | 5256 bytes |
font_01_sfnt_off00007966.bina5c239065d73e10c57657dd3cd25667abc0f9d81ea50cb36d9961248e19c8264 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7966 | 9928 bytes |
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