MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, a technique often used for SEO manipulation or to obscure malicious redirects. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.com/pify?keyword=logical+reasoning+tricks+for+cat+pdf. 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.com/pify?keyword=logical+reasoning+tricks+for+cat+pdf
- http://files.mckeague.com/uploads/1/3/1/8/131871721/gegudilubipu.pdf
- http://files.oursaviorsbonner.org/uploads/1/3/0/7/130775823/daruvifidetak_datopitelijelo.pdf
- http://files.caaaup.org/uploads/1/3/1/6/131607363/tusuron.pdf
- http://files.esydave.com/uploads/1/3/0/9/130969775/7001654.pdf
- http://files.xanderkarkruff.com/uploads/1/3/2/7/132741189/65090.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5981/4306/files/bolsa_de_valores_de_lima.pdf
- https://cdn.shopify.com/s/files/1/0435/2638/9912/files/too_much_tnt_mod_1._7._10.pdf
- https://cdn.shopify.com/s/files/1/0430/6573/7370/files/55051181883.pdf
- https://cdn.shopify.com/s/files/1/0435/5594/6645/files/25015131349.pdf
- https://cdn.shopify.com/s/files/1/0429/3092/9827/files/93407224916.pdf
- https://cdn.shopify.com/s/files/1/0439/7809/6798/files/2016_chevy_cruze_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/1708/4833/files/jejibupipajagomuf.pdf
- https://cdn.shopify.com/s/files/1/0435/2347/3560/files/96152741293.pdf
- https://cdn.shopify.com/s/files/1/0430/7045/5957/files/kegoxirimiruloxagotaged.pdf
- https://cdn.shopify.com/s/files/1/0429/6933/3916/files/gejuxib.pdf
- https://cdn.shopify.com/s/files/1/0428/1345/6550/files/30571036855.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_off00006654.binefa10d7c84268f23729124798dd0447aee3ff73d53f911225e45b63bf384dd58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6654 | 5328 bytes |
font_01_sfnt_off00007891.bina022ee4844e6760e189a366c534b4351ec6c680bedf3f806714390965ce4acf7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7891 | 10612 bytes |
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