MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector, ttraff.ru, which is disguised as a free bootstrap template. The ML classifier strongly indicated maliciousness, and the presence of numerous external links suggests a link farm or SEO poisoning attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution vector.
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=free+bootstrap+4+template+by+colorlib
- http://volopin.kevinroylance.com/uploads/1/3/0/7/130738546/pogebu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/9923/5228/files/33417968539.pdf
- https://cdn.shopify.com/s/files/1/0432/2754/5757/files/vipabegijaw.pdf
- https://cdn.shopify.com/s/files/1/0435/2779/8943/files/merge_sort_arraylist_java.pdf
- https://cdn.shopify.com/s/files/1/0437/6965/9549/files/gulf_of_mexico_fish_identification.pdf
- https://cdn.shopify.com/s/files/1/0434/1963/1765/files/27168029385.pdf
- https://cdn.shopify.com/s/files/1/0431/8016/3227/files/gefoxuxader.pdf
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/wijorideruzaruzuxa.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dedijadexurusefux.pdf
- https://cdn.shopify.com/s/files/1/0432/2073/0020/files/devovupawojutid.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/56325204281.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_off00006467.bin7db6add8ca2ca2c0bbc0b2730e8804341dc5e9a2393c69690204d16e104be561 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6467 | 5364 bytes |
font_01_sfnt_off00007699.bine3fa5cef960590a5ffa9c3055b5f6047c52abefb1fe06f1c051f3624ccfbd115 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7699 | 10052 bytes |
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