MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that point to a known malicious redirector, ttraff.cc. The document body, though partially corrupted, suggests a lure related to 'binomial formulas calculator'. The presence of numerous external links, many pointing to Shopify, indicates a potential link farm for SEO manipulation or distributing 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.cc/pify?keyword=binomische+formeln+rechner+mit+br%25C3%25BCchen
- http://files.mariebanville.ca/uploads/1/3/2/6/132683142/jusinuled.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/7614/7607/files/nh_dealer_portal.pdf
- https://cdn.shopify.com/s/files/1/0438/2123/6381/files/69505999369.pdf
- https://cdn.shopify.com/s/files/1/0437/0399/2474/files/46401566234.pdf
- https://cdn.shopify.com/s/files/1/0434/7995/7669/files/alleluia_canon_mozart.pdf
- https://cdn.shopify.com/s/files/1/0429/8371/9071/files/22581689671.pdf
- https://cdn.shopify.com/s/files/1/0431/3730/2679/files/12358602225.pdf
- https://cdn.shopify.com/s/files/1/0434/7684/4694/files/employee_resignation_letter_format.pdf
- https://cdn.shopify.com/s/files/1/0438/9791/3512/files/poradusukuvufo.pdf
- https://cdn.shopify.com/s/files/1/0438/3683/3952/files/python_selenium_xpath.pdf
- https://cdn.shopify.com/s/files/1/0429/1536/5031/files/97606312582.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/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a08e.bin4d76008045a3e83417b2f19a247eda02190049498045b596d3a3d5a037ee77f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA08E | 5220 bytes |
font_01_sfnt_off0000b1ea.bin182e161721fc598de5af9ebe255ad2610d8a5e5cbd47355870243ff4222c2389 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1EA | 11836 bytes |
font_02_sfnt_off0000d8e1.bin7ee4b1f8d9baa48174a8df6ee251e4312313c21b6030654781c657e16f36b2b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E1 | 16364 bytes |
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