MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier as malicious and contains numerous embedded links. One critical heuristic identified a link to known malicious redirector infrastructure at 'https://ttraff.com/wix?keyword=othello+penguin+books+pdf'. Another critical heuristic noted a large number of external PDF links, suggesting a link farm designed to manipulate search engine results or distribute further malicious content. The document body contains garbled text but includes the same suspicious URL.
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/wix?keyword=othello+penguin+books+pdf
- https://cdn.shopify.com/s/files/1/0430/9339/3557/files/wisaginibusatibix.pdf
- https://cdn.shopify.com/s/files/1/0437/3151/7605/files/disirewetixedereweva.pdf
- https://cdn.shopify.com/s/files/1/0437/9040/1687/files/32648759110.pdf
- https://cdn.shopify.com/s/files/1/0459/6944/0928/files/27392108406.pdf
- https://cdn.shopify.com/s/files/1/0435/2763/5096/files/87732020243.pdf
- https://cdn.shopify.com/s/files/1/0428/3600/0931/files/cambridge_checkpoint_mathematics_workbook_9_answers.pdf
- https://cdn.shopify.com/s/files/1/0437/6916/8021/files/cookie_clicker_selebrak.pdf
- https://cdn.shopify.com/s/files/1/0427/6705/7063/files/dadugawuf.pdf
- https://cdn.shopify.com/s/files/1/0434/7654/9798/files/upper_urinary_tract_infection_treatment_guidelines.pdf
- https://static.usrfiles.com/ugd/6cf392_2480c0eb0ca54c008f32e51acc9b21a8.pdf
- https://static.usrfiles.com/ugd/39d081_2e5ede7e15c24e09b831e8acc03306a4.pdf
- https://static.usrfiles.com/ugd/e2f197_14fb65e6fe934a64bcb52cf5da9b2e3d.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_off0000573e.bindf845fdf12ed8446f28a53ad72512de13b2f17c3414311ed5f91d0faf5c660d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x573E | 5228 bytes |
font_01_sfnt_off00006902.bin6f3bd4c89edce7454ff3fc5ec2b49e0f6857d64a5a881edf7107804765af92b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6902 | 9780 bytes |
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