MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting a lure related to a 'weight loss workout plan pdf'. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm strategy, likely to improve search engine ranking for malicious content. 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.ru/wix?keyword=weight+loss+workout+plan+pdf
- https://cdn.shopify.com/s/files/1/0433/5458/7288/files/printable_doubles_math_facts_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0430/8808/5143/files/13612460284.pdf
- https://cdn.shopify.com/s/files/1/0430/0403/5221/files/71723403823.pdf
- https://cdn.shopify.com/s/files/1/0434/2326/9014/files/xotigofe.pdf
- https://cdn.shopify.com/s/files/1/0432/5100/7638/files/765205043.pdf
- https://cdn.shopify.com/s/files/1/0431/1551/1964/files/passive_and_causative_exercises_1_bachillerato.pdf
- https://cdn.shopify.com/s/files/1/0432/8993/6025/files/mogojix.pdf
- https://cdn.shopify.com/s/files/1/0429/9148/5091/files/kusisenalalepuwepe.pdf
- https://cdn.shopify.com/s/files/1/0429/6625/3724/files/vaxevuwupewoxujugofevixof.pdf
- https://cdn.shopify.com/s/files/1/0434/7396/1126/files/libros_sobre_autolesion.pdf
- https://cdn.shopify.com/s/files/1/0437/1808/2709/files/28070840561.pdf
- https://cdn.shopify.com/s/files/1/0432/8960/8360/files/guvelarur.pdf
- https://static.usrfiles.com/ugd/b8c837_a6ed77a08ea746e39774dbfc7ea47fd7.pdf
- https://static.usrfiles.com/ugd/2074c9_209fc98a93ee4338b81554886075530f.pdf
- https://static.usrfiles.com/ugd/b5472a_926ca01694d14c2f8738c8aba4f7c7c7.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_off00006971.bine45e1e3db1d730dca868b3964ac50e7340ab27095422043a599bd2b001cc119a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6971 | 5472 bytes |
font_01_sfnt_off00007c25.bin00e779c4a23828ba6b40750c8ace809a252bb9d61a78e9fdb1641c353c6e6d6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C25 | 10592 bytes |
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