MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically a URL related to 'animal farm study guide answer key'. This URL is presented within the document body, suggesting a social engineering lure. The presence of numerous other links, many pointing to benign Shopify domains, indicates a link farm strategy, likely to obscure the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
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/wix?keyword=animal+farm+study+guide+answer+key
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0436/6663/6953/files/vegalumemewomegobejufaxa.pdf
- https://cdn.shopify.com/s/files/1/0465/0965/4174/files/ignou_assignment_submission_front_page.pdf
- https://cdn.shopify.com/s/files/1/0438/7382/9032/files/knapsack_problem_dynamic_programming.pdf
- https://cdn.shopify.com/s/files/1/0431/7285/5967/files/voltmeter_ammeter_method.pdf
- https://cdn.shopify.com/s/files/1/0432/3953/8851/files/99735347105.pdf
- https://static.usrfiles.com/ugd/b8c837_c4988329c7404ffa87ceea3411f0b592.pdf
- https://static.usrfiles.com/ugd/b8c837_070ce2bf6836403db4bed0a752beced0.pdf
- https://static.usrfiles.com/ugd/b8c837_a070c81b71a24ae6b21dd10e15ed75aa.pdf
- https://static.usrfiles.com/ugd/7ff653_27f99c01a0e743e995d640510cdde55d.pdf
- https://cdn.shopify.com/s/files/1/0433/9453/1493/files/mopinone.pdf
- https://cdn.shopify.com/s/files/1/0435/5915/7921/files/lujosukupovavadudex.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_off000044f1.bin299ee29449762a00194cc27ada37242abdf948bd28f1cbf66dfe38f481e62712 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x44F1 | 5472 bytes |
font_01_sfnt_off00005782.bine793c1c46a34f1c37801a9fe859475e03812e14fe4aa825ec9a1a1b8989976e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5782 | 10044 bytes |
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