MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one identified as a malicious redirector. The ML classifier strongly indicated maliciousness. The document body, though partially corrupted, contains the malicious URL and references to practice tests, suggesting a lure. The primary attack pattern involves redirecting users to malicious infrastructure via embedded links.
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=tera+nova+practice+tests
- http://files.titanjudo.org/uploads/1/3/2/3/132303010/5637897.pdf
- http://files.johnsinclaircustomcalls.com/uploads/1/3/1/4/131406478/4f812b7d.pdf
- http://files.grrlsmeatcamp.com/uploads/1/3/2/7/132712334/bef321eb641d892.pdf
- https://cdn.shopify.com/s/files/1/0431/9258/2293/files/24900910985.pdf
- https://cdn.shopify.com/s/files/1/0432/2318/7614/files/15704572711.pdf
- https://cdn.shopify.com/s/files/1/0433/7631/2471/files/gasimer.pdf
- https://cdn.shopify.com/s/files/1/0428/2246/7750/files/53090254062.pdf
- https://cdn.shopify.com/s/files/1/0439/9949/4302/files/vector_calculus_susan_jane_colley.pdf
- https://cdn.shopify.com/s/files/1/0436/4782/8133/files/2004_jeep_grand_cherokee_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0428/0687/0183/files/89867256479.pdf
- https://cdn.shopify.com/s/files/1/0432/8023/6702/files/ruwofixofobowigomexa.pdf
- https://cdn.shopify.com/s/files/1/0431/8127/7342/files/ludufezosamuvu.pdf
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/52158994288.pdf
- https://cdn.shopify.com/s/files/1/0432/8390/6724/files/52380776891.pdf
- https://cdn.shopify.com/s/files/1/0434/3798/1852/files/26599075186.pdf
- https://cdn.shopify.com/s/files/1/0431/4827/9957/files/mepodamepun.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_off00005589.bin4856ef12aa5b026513a6815c188c67a2f58d3514c291d4ec0ac882e56ed7075e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5589 | 4904 bytes |
font_01_sfnt_off0000664b.bin4faa561ebe07036f5c336c829da2ea219a423e650fbda171440cb7ab16090f67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x664B | 10788 bytes |
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