MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass external link farm, with many links pointing to Shopify domains hosting PDF files. One prominent link redirects to `https://ttraff.ru/pify?keyword=effects+of+cyberbullying+research+paper+pdf`, which is flagged as a malicious redirector. This indicates a lure to download further malicious content or visit malicious sites. The ML classifier strongly supports the malicious verdict.
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=effects+of+cyberbullying+research+paper+pdf
- http://files.shaneflynn.com/uploads/1/3/1/6/131637635/2859167.pdf
- http://sijilo.birminghamyouththeatre.co.uk/uploads/1/3/1/4/131483036/wuxelamixow_gaduma.pdf
- http://files.karlkueffel.de/uploads/1/3/0/7/130738803/sejeguvaramivuzavuv.pdf
- http://files.cle-automazioni.com/uploads/1/3/0/8/130873869/litetozifozose.pdf
- https://cdn.shopify.com/s/files/1/0430/0803/2922/files/filurobe.pdf
- https://cdn.shopify.com/s/files/1/0439/1682/0635/files/82449420319.pdf
- https://cdn.shopify.com/s/files/1/0427/9762/9596/files/kutojor.pdf
- https://cdn.shopify.com/s/files/1/0433/0265/0014/files/66654864951.pdf
- https://cdn.shopify.com/s/files/1/0461/9832/5399/files/voxubelep.pdf
- https://cdn.shopify.com/s/files/1/0437/1133/2503/files/taniborasoxixovekurivav.pdf
- https://cdn.shopify.com/s/files/1/0440/0611/3430/files/guxejobuvadobakekilo.pdf
- https://cdn.shopify.com/s/files/1/0429/8765/1235/files/concept_of_integrated_rural_development.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_off000097cb.bin318aba668834821ce73090f276e55d361582335225297677c8c1d26f24d352bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97CB | 5616 bytes |
font_01_sfnt_off0000aadf.bin0f7aaf19ea056d7bb6eddc13ef2aef02ab03559d87b42fb8df024ee5bdab753d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAADF | 12204 bytes |
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