MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a malicious redirector link disguised as educational content, aiming to trick users into clicking it. It also hosts a large number of other PDF links, likely for SEO manipulation or to appear legitimate. The ML classifier strongly indicated maliciousness, and the redirector URL is a primary indicator of compromise.
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.com/pify?keyword=teacher%2527+s+guide+grade+10+wellness+massage
- http://files.paper-and-light.com/uploads/1/3/1/3/131380288/jatodasil_gikujarupa_marizuwifas.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0437/9531/6896/files/iit_jee_advanced_mathematics_books.pdf
- https://cdn.shopify.com/s/files/1/0431/9353/2573/files/anemia_microcitica_hipocromica_pdf_adulto.pdf
- https://cdn.shopify.com/s/files/1/0433/9931/5610/files/fixedi.pdf
- https://cdn.shopify.com/s/files/1/0429/1257/9747/files/gavujexumilel.pdf
- https://cdn.shopify.com/s/files/1/0437/7506/6273/files/free_download_pmbok_5th_edition.pdf
- https://cdn.shopify.com/s/files/1/0434/1386/4602/files/truncate_decimal_python.pdf
- https://cdn.shopify.com/s/files/1/0430/1747/0101/files/abdomen_and_pelvis_anatomy.pdf
- https://cdn.shopify.com/s/files/1/0439/4899/8811/files/how_to_mod_skyrim_ps3_without_pc.pdf
- https://cdn.shopify.com/s/files/1/0429/8702/8641/files/jalum.pdf
- https://cdn.shopify.com/s/files/1/0428/9321/3855/files/diabetes_mellitus_guidelines_australia.pdf
- https://cdn.shopify.com/s/files/1/0432/7689/4372/files/atlas_of_eocene_planktonic_foraminifera.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/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000088d9.binf9c905a9012e5088c163f6274cacbca0f7dc235be745c52d5b61145ebacb644a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88D9 | 5316 bytes |
font_01_sfnt_off00009ac9.bin222bf72e27a4a0eddb837ad85e302035be199c3a8c9c11aa332a2aceb08c7b88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AC9 | 13208 bytes |
font_02_sfnt_off0000c51a.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC51A | 4324 bytes |
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