MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, disguised with a lure for free invitation templates. This redirector likely leads to a malicious payload or phishing page. The presence of numerous external PDF links suggests a link farm designed to manipulate search engine results or distribute malware. The ML classifier strongly indicates maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.link/wix?keyword=free+invitation+templates+for+80th+birthday
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/9cb927_fe94f2fe7e744ac48dfee268e279d134.pdf
- https://static.usrfiles.com/ugd/ea2f88_5d0a99e6ab6143b4933fed0c03944b48.pdf
- https://static.usrfiles.com/ugd/704566_e4f95625df394fdc86feb50b095fd1bf.pdf
- https://static.usrfiles.com/ugd/b42fd6_d832ca7a91ce41a8a281d930f638cc00.pdf
- https://static.usrfiles.com/ugd/9ced5d_ff190980e7e643b9ad808cc359a07bb3.pdf
- https://cdn.shopify.com/s/files/1/0431/6079/7333/files/wofawaxumodoluwura.pdf
- https://static.usrfiles.com/ugd/4aae87_5cdc02553a324626bc2485e2043eb493.pdf
- https://static.usrfiles.com/ugd/defdb4_255a4e2fdbac46318f8ee13613f3ca99.pdf
- https://static.usrfiles.com/ugd/856cea_0590a842d5ec4219a9c96db4c53ad66f.pdf
- https://static.usrfiles.com/ugd/90c678_6b28eef71ff04022a0787d85e2340f37.pdf
- https://static.usrfiles.com/ugd/b444d4_6b9ca24c1e844ec88523cc0c135fd415.pdf
- https://static.usrfiles.com/ugd/35dc59_17f8f4b6446c445797b53485b67cc8fd.pdf
- https://static.usrfiles.com/ugd/d162e3_0df4b880f8844527b82c8a06aacb7d4c.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_off00006034.bin59d58ba50740fca4a58980f43bba5b29c8adb5d24858f97b06adefb98f9f6d13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6034 | 5876 bytes |
font_01_sfnt_off0000740c.bina7fd6025ec541e2408ff8cbf720704f75247addddfd1038bb6f06489846be434 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x740C | 10368 bytes |
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