MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, disguised as an educational worksheet. The ML classifier strongly indicated maliciousness, and the document body contains numerous URLs, many of which are part of a link farm. The primary malicious URL is https://ttraff.club/pify?keyword=inheritance+patterns+worksheet%2523+1+answers, which likely leads to further malicious content.
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.club/pify?keyword=inheritance+patterns+worksheet%2523+1+answers
- http://files.fijifreshkava.com/uploads/1/3/2/7/132741476/e7a9e5a0bc5f3ad.pdf
- http://kazegik.ignitemm.com/uploads/1/3/1/6/131606490/fikota.pdf
- http://files.soilandforestryservices.com/uploads/1/3/1/3/131384401/viron-rexenovisonetu.pdf
- http://files.deepsouthbasketball.ca/uploads/1/3/1/8/131856039/3e0f372.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/a7074a_e77b962be6784e56a7b1480599fdbb09.pdf
- https://static.usrfiles.com/ugd/963627_6db47d2f0f534a638fb283bfe3bb8a71.pdf
- https://static.usrfiles.com/ugd/99a8f2_8d1a40bfac354e7d80c7093aec14754d.pdf
- https://static.usrfiles.com/ugd/65b209_37deb5c86fb143a5a70ceaa679a2a749.pdf
- https://static.usrfiles.com/ugd/97493d_16adcc0f07184ee8be480b1a297799fb.pdf
- https://cdn.shopify.com/s/files/1/0438/9958/4680/files/atkins_bars_nutrition_information.pdf
- https://cdn.shopify.com/s/files/1/0434/5030/2616/files/50173293000.pdf
- https://cdn.shopify.com/s/files/1/0430/1720/7971/files/kuvavadujelapokukizal.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_off00006159.bin308d54af88ed8a9064e6f7055bd8a89aa92f4ddd313fed82b6a05b418a9b0f2c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6159 | 5084 bytes |
font_01_sfnt_off000072a9.bin4b1810401cb5e3ab0b4a6dd10ca6201f54bd755d51439862f7a5b65b74df3aeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72A9 | 10592 bytes |
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