MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links designed to redirect users to malicious infrastructure, specifically a link farm. The document body, though partially corrupted, suggests a lure related to 'correlation vs causation worksheet answers'. The primary malicious IOC is the redirector URL, which is likely used to deliver a secondary payload. The ML classifier strongly indicates maliciousness.
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=correlation+vs+causation+worksheet+answers
- http://files.distantfin.net/uploads/1/3/0/7/130775734/pamofasusure.pdf
- http://pufurib.brianmoskin.com/uploads/1/3/0/8/130813108/renesuv_xinot_wizuvunosilabo_dozebisazuv.pdf
- http://dogekal.malikwork.com/uploads/1/3/2/7/132710712/9511409.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0448/1554/8573/files/lil_shop_of_treasures.pdf
- https://cdn.shopify.com/s/files/1/0437/5651/9578/files/upsc_ifs_botany_syllabus.pdf
- https://cdn.shopify.com/s/files/1/0432/8715/0752/files/79178668914.pdf
- https://cdn.shopify.com/s/files/1/0432/1817/4107/files/bipolar_disorder_patient_case_study.pdf
- https://cdn.shopify.com/s/files/1/0431/4628/1122/files/2903556348.pdf
- https://cdn.shopify.com/s/files/1/0436/9930/6648/files/application_letter_for_ojt_sample.pdf
- https://cdn.shopify.com/s/files/1/0428/1961/6935/files/54148325348.pdf
- https://cdn.shopify.com/s/files/1/0437/7929/3338/files/50660523633.pdf
- https://cdn.shopify.com/s/files/1/0432/0421/4942/files/29563144735.pdf
- https://cdn.shopify.com/s/files/1/0433/9764/4449/files/94826402579.pdf
- https://cdn.shopify.com/s/files/1/0432/5523/4710/files/77012045602.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_off000055c5.bin7499fd5aef42de56b2f27731c5d0832b9659e1708c8c1460d8cc10c9b60044cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x55C5 | 5008 bytes |
font_01_sfnt_off000066d5.bin5105b2be2037d2571941fa76627edaf69d3bfc426d9278b5cac42f9108c99783 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66D5 | 9904 bytes |
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