MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link disguised as a lure for 'brickleberry full episodes', which redirects to malicious infrastructure. The ML classifier strongly indicated maliciousness, and the PDF was found to contain a link farm pointing to external PDFs, suggesting a content-scraping or SEO-poisoning campaign. No scripts were extracted, but the embedded URL and link farm indicate a phishing or redirection attempt.
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.com/pify?keyword=brickleberry+full+episodes
- http://files.grndcntrlmag.com/uploads/1/3/0/7/130738876/dibepapiw.pdf
- http://files.disquieteddreams.com/uploads/1/3/1/4/131407493/b5b5e6cf34.pdf
- http://files.mylifeintechnicolor.com/uploads/1/3/0/7/130775565/65ea9c4.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/4681/4374/files/12438740310.pdf
- https://cdn.shopify.com/s/files/1/0433/6818/6015/files/51867320818.pdf
- https://cdn.shopify.com/s/files/1/0429/8879/8111/files/foxidenezafuxuvifuli.pdf
- https://cdn.shopify.com/s/files/1/0431/2960/2205/files/mokubuwitalelariva.pdf
- https://cdn.shopify.com/s/files/1/0437/3377/8597/files/fimimasisatudopiz.pdf
- https://cdn.shopify.com/s/files/1/0438/4607/4525/files/66600410568.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/sukekixinaxonuwatubanu.pdf
- https://cdn.shopify.com/s/files/1/0430/7664/9124/files/27896870078.pdf
- https://cdn.shopify.com/s/files/1/0434/5479/1846/files/45290060818.pdf
- https://cdn.shopify.com/s/files/1/0433/4331/5102/files/91565648152.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_off0000415d.bina414d50a33b09d34091460901c1f6d2fa8e5b0acd5ebb2f8ddb6e7abe2a51afa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x415D | 5296 bytes |
font_01_sfnt_off0000537b.bin0d397aeb5e6a3cee7790759b9b72653b1b370f48b21dcdb10a6cc89fea404432 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x537B | 9052 bytes |
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