MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one critical heuristic identifying a malicious redirector. The document body, though heavily obfuscated, appears to be related to educational content, suggesting a lure. The primary malicious IOC is the redirector URL, which likely leads to further malicious content or exploits.
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=surface+area+prisms+and+cylinders+mathworksheets4kids
- http://files.mrptristan.com/uploads/1/3/2/6/132682813/zotobatuna.pdf
- http://files.learning4development.org/uploads/1/3/0/8/130815381/saselidujixe.pdf
- http://files.nicktillia.com/uploads/1/3/0/7/130776204/4318768.pdf
- https://cdn.shopify.com/s/files/1/0434/3015/0300/files/98595796276.pdf
- https://cdn.shopify.com/s/files/1/0430/9814/4932/files/80221351132.pdf
- https://cdn.shopify.com/s/files/1/0433/5638/9528/files/35219906160.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4969/files/78322813900.pdf
- https://cdn.shopify.com/s/files/1/0429/9980/8149/files/99654261926.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38140624907.pdf
- https://cdn.shopify.com/s/files/1/0432/1958/3138/files/23175453121.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97253363073.pdf
- https://cdn.shopify.com/s/files/1/0430/8012/2532/files/nadepolo.pdf
- https://cdn.shopify.com/s/files/1/0433/2240/9125/files/jinevuramobiwanamad.pdf
- https://cdn.shopify.com/s/files/1/0428/2171/4079/files/78675606328.pdf
- https://cdn.shopify.com/s/files/1/0435/2350/6336/files/foliti.pdf
- https://cdn.shopify.com/s/files/1/0433/0278/1083/files/radoneru.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/
- https://cdn.shopify.com/s/files/1/0429/9980/8149/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006aaa.bin41db0e1ac5b5dd5d5d571ca60349b392ef67621525f2f7804b535ff29409aa8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AAA | 5724 bytes |
font_01_sfnt_off00007e0d.bin3cc327bef89ff4b95167d89c1144c00b87313b674159bc8c9bf4e6d8434c3095 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E0D | 9724 bytes |
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