MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that lead to a known malicious redirector, disguised as information about Verizon Fios cancellation fees. The document also features a large number of links pointing to PDF files hosted on Shopify, likely part of a link farm to improve search engine ranking for malicious content. The ML classifier strongly indicated maliciousness, supporting the heuristic findings.
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/pify?keyword=verizon+fios+cancellation+fees
- http://files.blcmorris.org/uploads/1/3/1/4/131453260/8000632.pdf
- http://files.afrocamming.com/uploads/1/3/2/7/132740637/0056564b83c.pdf
- http://files.saintalphonsusschool.org/uploads/1/3/1/8/131857071/b41fba5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2240/1192/files/90577176750.pdf
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/57434022708.pdf
- https://cdn.shopify.com/s/files/1/0432/4130/8320/files/86577419365.pdf
- https://cdn.shopify.com/s/files/1/0435/9965/9176/files/favomofofafuj.pdf
- https://cdn.shopify.com/s/files/1/0430/4856/6941/files/10387275891.pdf
- https://cdn.shopify.com/s/files/1/0429/0094/7103/files/dofirorufulazo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wonazonuv.pdf
- https://cdn.shopify.com/s/files/1/0429/3178/1791/files/31980891546.pdf
- https://cdn.shopify.com/s/files/1/0432/6129/6790/files/9294046937.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3902/files/21163546781.pdf
- https://cdn.shopify.com/s/files/1/0432/5592/2856/files/wurisunufopoxaw.pdf
- https://cdn.shopify.com/s/files/1/0431/8153/9483/files/satisagagevo.pdf
- https://cdn.shopify.com/s/files/1/0431/3631/9637/files/lodumuniwodefupaxulomaf.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006b7d.bin5e59d9c27051215224b0910669f9efd8bc7eed9b1427054114b9ffc74408a7b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B7D | 4888 bytes |
font_01_sfnt_off00007c3d.bin0403a161b355c4cee2bbd6b3adc469761393cbaf89ec4b1a1976e7f60285666e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7C3D | 10316 bytes |
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