MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, but one critical link directs to a known malicious redirector. This suggests a tactic to distribute malicious content or phishing pages. The ML classifier also strongly indicated 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.ru/pify?keyword=forgotten+god+francis+chan+pdf
- http://files.hsfhomeconnections-hsf.com/uploads/1/3/1/4/131406352/fibodunolukabovowo.pdf
- http://files.branhicks.com/uploads/1/3/0/9/130968995/rozife-repaso-lavinimipidesix-kixodunorekewak.pdf
- http://files.area5envirothon.org/uploads/1/3/0/8/130813663/4109407.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/6145/8582/files/88214358956.pdf
- https://cdn.shopify.com/s/files/1/0430/9165/6855/files/85124502723.pdf
- https://cdn.shopify.com/s/files/1/0427/5778/3718/files/22444676324.pdf
- https://cdn.shopify.com/s/files/1/0430/1750/2869/files/munivitebovigebono.pdf
- https://cdn.shopify.com/s/files/1/0428/4442/2310/files/tewanamikiraralolosazeb.pdf
- https://cdn.shopify.com/s/files/1/0428/4016/2467/files/60046413142.pdf
- https://cdn.shopify.com/s/files/1/0430/9542/5191/files/61290343448.pdf
- https://cdn.shopify.com/s/files/1/0431/5453/8658/files/4504426880.pdf
- https://cdn.shopify.com/s/files/1/0427/6443/5612/files/1891430975.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6629/files/dobivasimagut.pdf
- https://cdn.shopify.com/s/files/1/0427/5725/9420/files/mefifusekix.pdf
- https://cdn.shopify.com/s/files/1/0428/9688/3868/files/jimetedug.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_off0000626a.bina494f7c71f22e65396845ec334be89c770cd4de23f25a8e7807ab704bb22283d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x626A | 5340 bytes |
font_01_sfnt_off0000749b.bin812f1b0a0dd742dee8d2cdb15e496a787057dd2ab1607d7c3c1fb486e84f8b07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x749B | 10192 bytes |
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