MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, suggests a lure related to educational materials. The ML classifier strongly indicated maliciousness, and the presence of numerous links to external resources supports a phishing or redirection attack pattern.
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=plural+nouns+worksheet+pdf+grade+4
- http://files.brillionbaseball.org/uploads/1/3/0/8/130813118/0b0d36e58a.pdf
- http://files.chaskacusco.org/uploads/1/3/1/3/131398530/nafujisifugepigotisi.pdf
- http://files.hathawayfarms.com/uploads/1/3/2/8/132814168/sodarozak-xogitu-tufexon.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2930/7296/files/58902922957.pdf
- https://cdn.shopify.com/s/files/1/0429/5006/6339/files/wezinexonanu.pdf
- https://cdn.shopify.com/s/files/1/0431/4519/9784/files/tirogigo.pdf
- https://cdn.shopify.com/s/files/1/0432/9812/8036/files/22360052860.pdf
- https://cdn.shopify.com/s/files/1/0430/8582/4164/files/wemakaloperugipikorazubal.pdf
- https://cdn.shopify.com/s/files/1/0431/7485/4820/files/sanovaf.pdf
- https://cdn.shopify.com/s/files/1/0434/3057/6278/files/silelipoxejapubisapaxufop.pdf
- https://cdn.shopify.com/s/files/1/0437/6756/2391/files/maxun.pdf
- https://cdn.shopify.com/s/files/1/0430/6881/7562/files/47416218042.pdf
- https://cdn.shopify.com/s/files/1/0429/2041/1289/files/dipajub.pdf
- https://cdn.shopify.com/s/files/1/0433/1274/2550/files/dijopekiralezepotopub.pdf
- https://cdn.shopify.com/s/files/1/0432/3845/7508/files/77007683614.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_off00005ee5.bin01143ee03f73363a66911479a67cf53d9bc00af64ff649dc29fe53918d70b63d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EE5 | 5384 bytes |
font_01_sfnt_off0000713f.bin7d6e148aff1bf251f1c0f669401ac8559f21fe051e5a10499ffaa119e6690ad1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x713F | 9924 bytes |
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