MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Angularjs 7 book pdf', suggesting a lure for users seeking content. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports a malicious intent to redirect users to harmful sites.
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=angularjs+7+book+pdf
- http://files.cuestacollegerodeo.com/uploads/1/3/1/4/131483550/f518ae417.pdf
- http://files.sierissa.com/uploads/1/3/2/6/132695543/podapuvumapumaja.pdf
- http://files.didsburyjuniors.com/uploads/1/3/2/6/132681824/maxipupamekep.pdf
- https://cdn.shopify
- https://cdn.shopify.com/s/files/1/0433/7015/2088/files/54657238529.pdf
- https://cdn.shopify.com/s/files/1/0435/6797/2513/files/kuvobekofimebo.pdf
- https://cdn.shopify.com/s/files/1/0438/4522/2557/files/19444747225.pdf
- https://cdn.shopify.com/s/files/1/0438/3558/8770/files/lefeponufelexowipuxosu.pdf
- https://cdn.shopify.com/s/files/1/0438/6694/7744/files/45789323779.pdf
- https://cdn.shopify.com/s/files/1/0438/8945/9368/files/mipipomagenasixuzoka.pdf
- https://cdn.shopify.com/s/files/1/0427/5824/2470/files/posemamusowowuz.pdf
- https://cdn.shopify.com/s/files/1/0435/6354/8831/files/91333311343.pdf
- https://cdn.shopify.com/s/files/1/0438/3594/9218/files/7048731984.pdf
- https://cdn.shopify.com/s/files/1/0429/9892/3427/files/92060821497.pdf
- https://cdn.shopify.com/s/files/1/0428/5677/5839/files/vatulil.pdf
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/31882329548.pdf
- https://cdn.shopify.com/s/files/1/0430/5692/2777/files/majefivodugudolu.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_off00008d54.bin8fe3b6ce4783a86111cdc0b103956a5c46c4c0ec0c63408ff6d921a05e1c79fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D54 | 5196 bytes |
font_01_sfnt_off00009f07.bine2117cf494559d0ec4386f770a57d3b50aae042ce43d062ed05c053e16063d83 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F07 | 11060 bytes |
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