MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, disguised as a free trial offer for Aspen Plus. The PDF also contains a large number of external links, many hosted on Shopify, which is characteristic of SEO-based link farms used to distribute malicious content. 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=aspen+plus+free+trial
- http://files.nycmetrostars.com/uploads/1/3/0/7/130738764/sumuwi.pdf
- http://files.missmaudiesmenagerie.com/uploads/1/3/1/4/131453595/28746f382.pdf
- http://files.thattruthspoken.org/uploads/1/3/1/6/131606260/xekutujelesijobojim.pdf
- http://files.capecommunityorchestra.org/uploads/1/3/1/4/131437454/0d6524e208ea9.pdf
- http://files.capecommun
- https://cdn.shopify.com/s/files/1/0429/0550/1852/files/34517038142.pdf
- https://cdn.shopify.com/s/files/1/0428/3075/8054/files/88180118107.pdf
- https://cdn.shopify.com/s/files/1/0431/1551/1964/files/gerajinimuteperil.pdf
- https://cdn.shopify.com/s/files/1/0431/1751/0818/files/39978161613.pdf
- https://cdn.shopify.com/s/files/1/0436/7391/1449/files/xanejigosip.pdf
- https://cdn.shopify.com/s/files/1/0434/9113/1557/files/68058056560.pdf
- https://cdn.shopify.com/s/files/1/0428/8082/7558/files/linonoxojokaliludij.pdf
- https://cdn.shopify.com/s/files/1/0431/0004/5469/files/febofelasusitavisivures.pdf
- https://cdn.shopify.com/s/files/1/0433/9941/3921/files/35364022568.pdf
- https://cdn.shopify.com/s/files/1/0438/9027/8568/files/24747987436.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32377204601.pdf
- https://cdn.shopify.com/s/files/1/0432/8947/7278/files/muxemofi.pdf
- https://cdn.shopify.com/s/files/1/0431/0512/4516/files/sodotaxilevopen.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000058ff.bin29fc9a1ca686f9cf9f4f9eed525e1748293822e855520ff8a84f0bb3e846f74e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x58FF | 4656 bytes |
font_01_sfnt_off000068d1.bin076a2cc5ecbdb5d09f278a7c4ad6c47a59a605d9311a9e529832af952bbda090 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68D1 | 10220 bytes |
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