MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL and a large number of other URLs pointing to PDF files hosted on various domains, suggesting a link farm or redirection strategy. The primary attack pattern appears to be the distribution of malicious links disguised within a PDF document.
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=howard+french+everything+under+the+heavens+pdf
- http://files.kquattrin.com/uploads/1/3/2/7/132712163/578642.pdf
- http://files.internationalfishers.com/uploads/1/3/1/1/131163705/wedigikusitukuxovaj.pdf
- http://guvuk.clarinetinstitute.com/uploads/1/3/0/7/130776485/2810535.pdf
- http://zalero.biolutionresources.com/uploads/1/3/0/7/130776031/9535657.pdf
- https://cdn.shopify.com/s/files/1/0430/8451/3429/files/17250608605.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zekimopesafirizaxos.pdf
- https://cdn.shopify.com/s/files/1/0434/1488/0405/files/believe_in_yourself_book.pdf
- https://cdn.shopify.com/s/files/1/0447/1137/9097/files/spelling_bee_words_for_grade_3.pdf
- https://cdn.shopify.com/s/files/1/0433/1785/4373/files/kakataxun.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84005007378.pdf
- https://cdn.shopify.com/s/files/1/0434/7654/9798/files/15924714326.pdf
- https://cdn.shopify.com/s/files/1/0429/1067/9203/files/costiera_amalfitana_mappa.pdf
- https://cdn.shopify.com/s/files/1/0433/1172/6750/files/luwok.pdf
- https://cdn.shopify.com/s/files/1/0430/7651/8049/files/rovibuju.pdf
- https://cdn.shopify.com/s/files/1/0446/6976/3747/files/99233584569.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_off00006bc8.binff3ebd65cd8c6bbfb55d3d07d8e00bbc7eafc074c8f79e3fd8bd5fa46bc2b464 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BC8 | 5600 bytes |
font_01_sfnt_off00007ef4.bin88408ca3cba1903a286bbd2dd571f52de70e8ed217c683d13b9ab76e73035ecc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EF4 | 10320 bytes |
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