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 further supported by the presence of numerous other embedded links. The document body, though heavily obfuscated, contains text that appears to be a lure for educational materials, directing users to the malicious URL. The primary malicious IOC is the redirector URL, which likely leads to a phishing page or malware download.
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=ncert+math+book+for+class+10+with+solution+pdf
- http://files.saxonshouseofsoul.com/uploads/1/3/0/8/130874250/sifur.pdf
- http://files.jacksonproofreadingservices.com/uploads/1/3/0/8/130814258/xerafojunevexit.pdf
- http://files.letourdespice.com/uploads/1/3/0/7/130739631/8693160.pdf
- https://cdn.shopify.com/s/files/1/0430/4764/9429/files/jurnal_anemia_gravis.pdf
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/17238909339.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/64831632673.pdf
- https://cdn.shopify.com/s/files/1/0428/9485/2252/files/43369157677.pdf
- https://cdn.shopify.com/s/files/1/0427/9785/8972/files/69390396354.pdf
- https://cdn.shopify.com/s/files/1/0430/8058/1274/files/22104658815.pdf
- https://cdn.shopify.com/s/files/1/0429/8804/4447/files/5th_grade_math_problems.pdf
- https://cdn.shopify.com/s/files/1/0432/8603/6635/files/38992990788.pdf
- https://cdn.shopify.com/s/files/1/0437/2204/7637/files/ave_maria_gounod_soprano.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nexunalazuzifoginiwaboliz.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mozesuseb.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_off0000886b.bind7eb63326799d4c0cad73b865bd83f997f2151c5fc130c4960184661a000a649 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x886B | 5852 bytes |
font_01_sfnt_off00009c41.bin54ffadfaf267dfa036617540212272319bc93a43191818b1ee6c9f972181a9c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C41 | 10624 bytes |
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