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 identified as a known malicious redirector. The document body, though partially corrupted, contains text related to 'free pdf' downloads, suggesting a lure. The heuristic firings confirm the presence of malicious redirector links and a link farm, indicating an attempt to drive traffic to potentially harmful sites. The ML classifier strongly supports the malicious nature of this PDF.
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=artificial+intelligence+with+python+prateek+joshi+free+pdf
- http://jopasurig.mythnmagik.com/uploads/1/3/1/3/131380480/nelusupupozego-jakemudovulikur-fuzolilinodosa.pdf
- http://files.higherorderinnovation.com/uploads/1/3/2/6/132681713/8784782.pdf
- http://files.rcarteephotos.com/uploads/1/3/0/7/130776573/5da2937332.pdf
- http://dadurim.eycdioatl.org/uploads/1/3/2/8/132814930/3360116.pdf
- https://cdn.shopify.com/s/files/1/0432/8144/9126/files/58250800819.pdf
- https://cdn.shopify.com/s/files/1/0432/7496/1059/files/bu_admission_circular_2020_20.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/38935964995.pdf
- https://cdn.shopify.com/s/files/1/0429/5763/5735/files/57580954433.pdf
- https://cdn.shopify.com/s/files/1/0432/8367/7339/files/25612366354.pdf
- https://cdn.shopify.com/s/files/1/0428/5333/5207/files/nivawogat.pdf
- https://cdn.shopify.com/s/files/1/0434/2385/8850/files/timber_mod_1._7._10.pdf
- https://cdn.shopify.com/s/files/1/0430/7252/0352/files/55489139497.pdf
- https://cdn.shopify.com/s/files/1/0431/3110/9540/files/30095744269.pdf
- https://cdn.shopify.com/s/files/1/0433/6291/0376/files/pewawitotilojopuguxuku.pdf
- https://cdn.shopify.com/s/files/1/0441/3915/1512/files/77818350333.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_off00005f34.binfbf751ae317b6428111280f52f3d102c3ce03d716d632d8a2e7a6519634625c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F34 | 5740 bytes |
font_01_sfnt_off000072d5.binb63c30804db77880f14d696f8f7a1fdb58e7483243018efe7567fb885d2c56e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72D5 | 10212 bytes |
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