MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file contains a large number of embedded URLs, many of which point to a redirector service (ttraff.com). The document body, though heavily obfuscated, contains the same redirector URL. The heuristic firings indicate that the PDF is designed as a link farm, likely to distribute malware or conduct phishing attacks by redirecting users to malicious sites. The ML classifier strongly flagged this PDF as malicious.
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=sociolinguistics+and+language+teaching+sandra+lee+mckay+pdf
- http://files.5star-truck-repair.com/uploads/1/3/0/9/130969191/vanabuvu.pdf
- http://files.jillhakala.com/uploads/1/3/0/7/130740128/8e8e25e.pdf
- http://files.sparksip.org/uploads/1/3/2/6/132695566/4818366.pdf
- https://cdn.shopify.com/s/files/1/0439/1701/7256/files/70921014840.pdf
- https://cdn.shopify.com/s/files/1/0437/3938/1912/files/gre_practice_test_2015.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gamusuzojikifikukudubug.pdf
- https://cdn.shopify.com/s/files/1/0431/4054/6714/files/87370525995.pdf
- https://cdn.shopify.com/s/files/1/0427/9438/5575/files/ceate_engine_6._1.pdf
- https://cdn.shopify.com/s/files/1/0432/3033/1047/files/tinabifaxafedo.pdf
- https://cdn.shopify.com/s/files/1/0434/7405/9430/files/55428907090.pdf
- https://cdn.shopify.com/s/files/1/0432/6585/1542/files/16886219667.pdf
- https://cdn.shopify.com/s/files/1/0436/4769/7049/files/97833689524.pdf
- https://cdn.shopify.com/s/files/1/0432/0467/3699/files/55247651746.pdf
- https://cdn.shopify.com/s/files/1/0430/7678/0192/files/3669954479.pdf
- https://cdn.shopify.com/s/files/1/0429/6232/1571/files/87566744085.pdf
- https://cdn.shopify.com/s/files/1/0433/8846/9398/files/87099552364.pdf
- https://cdn.shopify.com/s/files/1/0431/5627/5360/files/43879851592.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_off00006197.bined42860150c22ecde69662f4ca851127c6e1ad24fb897459f1b51a8cb4978526 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6197 | 5836 bytes |
font_01_sfnt_off00007558.binaac2ab93d43f95924a2a79d143d831d64a8fbeaf5023d7394e8b406c98cc9e06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7558 | 10320 bytes |
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