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 are designed to appear as legitimate resources but lead to a malicious redirector. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms that at least one of these links points to known malicious infrastructure. 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.cc/pify?keyword=java+spring+framework+masterclass
- http://files.holyfamilystowathletics.com/uploads/1/3/0/9/130969699/vojawawimalajoxomeko.pdf
- http://newog.ccmooresville.com/uploads/1/3/1/8/131871390/xezoroli-fomimagewaful.pdf
- http://files.sjvkailua.org/uploads/1/3/1/6/131606839/darupizetelaz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0433/0710/6462/files/78157051867.pdf
- https://cdn.shopify.com/s/files/1/0428/9930/8711/files/jivegarunovojiduzis.pdf
- https://cdn.shopify.com/s/files/1/0438/6874/9979/files/latest_telugu_dubbed_horror_movies_free.pdf
- https://cdn.shopify.com/s/files/1/0432/7266/7296/files/nukax.pdf
- https://cdn.shopify.com/s/files/1/0428/8879/0179/files/zituzilexekokos.pdf
- https://cdn.shopify.com/s/files/1/0430/6888/3098/files/12067887034.pdf
- https://cdn.shopify.com/s/files/1/0434/4666/5382/files/28953854958.pdf
- https://cdn.shopify.com/s/files/1/0461/9999/6569/files/fsmb_usmle_score_report.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000081de.binf83fcc20fe986d8b1638100387845f230c2375548009cec4b2da3ed2608340cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81DE | 5328 bytes |
font_01_sfnt_off000093fd.bine15abebfff4395a7153ee7a7f7b7b0c53da7a7feab3ef692c94630e44cf30ffb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93FD | 15680 bytes |
font_02_sfnt_off0000c4cf.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4CF | 4324 bytes |
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