MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links to external resources, including a critical link to a known malicious redirector at https://ttraff.cc/pify?keyword=verb+to+be+present+and+past+exercises+pdf. The document body, though heavily obfuscated, appears to be a lure for an exercise PDF, aiming to trick users into clicking the malicious link. 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=verb+to+be+present+and+past+exercises+pdf
- http://daxig.jessicaeastburn.com/uploads/1/3/0/7/130776225/peginutik.pdf
- http://files.modified-mama.com/uploads/1/3/0/9/130969754/81f540c782e.pdf
- http://files.merrycox.com/uploads/1/3/1/4/131438069/6932355.pdf
- http://files.denttechsolutions.com/uploads/1/3/1/6/131606343/f3095160e22.pdf
- http://files.tedxkitchenered.com/uploads/1/3/1/4/131406518/mufedoxowa.pdf
- https://cdn.shopify.com/s/files/1/0433/0638/5573/files/41508850260.pdf
- https://cdn.shopify.com/s/files/1/0427/4136/6951/files/padi_open_water_final_exam_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/0482/9602/files/83632925519.pdf
- https://cdn.shopify.com/s/files/1/0437/0225/5770/files/75639100255.pdf
- https://cdn.shopify.com/s/files/1/0433/0071/6694/files/tofilupigirurikevizaxanim.pdf
- https://cdn.shopify.com/s/files/1/0434/3214/9148/files/61523929969.pdf
- https://cdn.shopify.com/s/files/1/0441/1087/2728/files/98197688100.pdf
- https://cdn.shopify.com/s/files/1/0465/9511/3125/files/56549058559.pdf
- https://cdn.shopify.com/s/files/1/0428/6762/2055/files/39592984848.pdf
- https://cdn.shopify.com/s/files/1/0433/4111/9647/files/anomaly_defenders_apk_data.pdf
- https://cdn.shopify.com/s/files/1/0429/9417/2058/files/44692720131.pdf
- https://cdn.shopify.com/s/files/1/0429/5363/8044/files/kimobixuvudi.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_off00005532.bin226251085c4872f7dc58b2cf6e64ec81ccf35ee47f3cbd5dae842b41ea473bd7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5532 | 5288 bytes |
font_01_sfnt_off00006739.bine4cae41d0bec5d5b63b32b13b4a4daf37d1f332acbe285cb6ff6fdc353a5959e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6739 | 10024 bytes |
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