MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, with at least one identified as a malicious redirector. The document body, though partially garbled, includes the title 'Frogs and toads venn diagram answers' and the malicious URL, suggesting a lure to a phishing or malware distribution site. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector link is a high-confidence indicator of malicious intent.
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=frogs+and+toads+venn+diagram+answers
- http://zajenuj.ballyporeenns.com/uploads/1/3/1/8/131856703/9314947.pdf
- http://files.mismacounsellingservice.com/uploads/1/3/0/8/130814680/zunotebunetelid.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/6329/5646/files/76251558214.pdf
- https://cdn.shopify.com/s/files/1/0431/6528/6566/files/purak.pdf
- https://cdn.shopify.com/s/files/1/0434/6737/4758/files/arabic_dictionary_app_free.pdf
- https://cdn.shopify.com/s/files/1/0433/9413/8277/files/tefufofavejutuzu.pdf
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/wavogekegekiforeloxamut.pdf
- https://cdn.shopify.com/s/files/1/0428/5195/8947/files/3911308792.pdf
- https://cdn.shopify.com/s/files/1/0431/6971/0242/files/97755891062.pdf
- https://cdn.shopify.com/s/files/1/0436/1384/7710/files/20611903890.pdf
- https://cdn.shopify.com/s/files/1/0435/0980/9318/files/41183678090.pdf
- https://cdn.shopify.com/s/files/1/0436/5513/5390/files/cambridge_pet_for_schools_2.pdf
- https://cdn.shopify.com/s/files/1/0432/8446/3784/files/xinisenozuj.pdf
- https://cdn.shopify.com/s/files/1/0451/7065/5381/files/10797744218.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_off00004dea.bin5696d46322ab378884d440005955909d604f892b7de85a47cb9071ff90b54516 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4DEA | 5220 bytes |
font_01_sfnt_off00005fad.bin505bb15e8a817dbab60eb24b02dae9241be524043d6db7cc9c36de5d89a7edba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FAD | 9860 bytes |
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