MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one pointing to a known malicious redirector. The document body and embedded links suggest a lure related to educational content, likely to drive traffic to malicious sites. The ML classifier strongly indicated maliciousness, and the presence of a link farm further supports a malicious intent to distribute malware or phishing content.
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=desmos+introduction+to+geometry+proofs+answers
- http://gubuzaza.engagechurchaurora.com/uploads/1/3/0/8/130874359/0c1e8588f34ad2.pdf
- http://sakojo.spanishduluth.com/uploads/1/3/1/4/131406086/8992109.pdf
- http://files.royalmarketingconcepts.com/uploads/1/3/1/3/131380741/997332.pdf
- http://files.chris-palmieri.com/uploads/1/3/0/8/130813582/pojafuseperojoz.pdf
- https://cdn.shopify.com/s/files/1/0431/8747/0499/files/5176071901.pdf
- https://cdn.shopify.com/s/files/1/0437/7142/9015/files/ceremonial_magic_israel_regardie.pdf
- https://cdn.shopify.com/s/files/1/0435/7950/6847/files/31640657590.pdf
- https://cdn.shopify.com/s/files/1/0431/7046/3912/files/marowuzumer.pdf
- https://cdn.shopify.com/s/files/1/0430/2045/1997/files/zisunawafi.pdf
- https://cdn.shopify.com/s/files/1/0429/9954/6009/files/65468572183.pdf
- https://cdn.shopify.com/s/files/1/0430/6888/3097/files/ssc_stenographer_exam_paper.pdf
- https://cdn.shopify.com/s/files/1/0432/3413/2131/files/52979539796.pdf
- https://cdn.shopify.com/s/files/1/0448/1895/6448/files/atypical_facial_pain_adalah.pdf
- https://cdn.shopify.com/s/files/1/0438/3893/1109/files/pojipele.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062ba.bin84dfeb5166e2b1db1e1c4cac90be2ac194fa1715ff19ddf2be381a90ed4d12ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62BA | 5520 bytes |
font_01_sfnt_off00007581.bin2805450c74ca35432c477b99be68cf145276f24a0b69dd1675cc831ab1d3bd03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7581 | 10236 bytes |
font_02_sfnt_off00009860.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9860 | 4324 bytes |
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