MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded URLs, with a critical heuristic firing indicating it redirects to known malicious infrastructure. The document body, though heavily obfuscated, contains a URL that is also present in the heuristics and IOCs, suggesting a lure to a malicious site. 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.link/wix?keyword=morphology+of+flowering+plants+pdf
- http://files.wesdoors.com/uploads/1/3/0/8/130873758/8997663.pdf
- http://files.vintagerhythmandbluesensemble.com/uploads/1/3/1/3/131384674/zoturolelek_niduramu_liwesete.pdf
- http://files.silentwitness.net/uploads/1/3/1/6/131637876/mafabapo.pdf
- http://files.emilywahlgallery.com/uploads/1/3/0/9/130969322/nipodavisalasonepaxu.pdf
- http://jivebalaz.paintnwithfriends.com/uploads/1/3/1/3/131383309/wejuledenuguve_punovep.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://static.usrfiles.com/ugd/b7082a_97cb81ced46742088e1c14fc562f737f.pdf
- https://static.usrfiles.com/ugd/911c12_786d210b1ad64f4c9a42c730af0f4606.pdf
- https://static.usrfiles.com/ugd/31593d_2f0fd0527fe54afcbf7db8e6c3ff41a2.pdf
- https://static.usrfiles.com/ugd/1c8c1e_9f2fa236d23943aebf0910416f9e693b.pdf
- https://static.usrfiles.com/ugd/e5412a_52ba1c2e1aa7434f98c3b2365735920e.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_off0000868a.bind91f8c105ea9075b44cba50bb361a99874eae4f40712d25a936fcd9e78b53587 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x868A | 5288 bytes |
font_01_sfnt_off0000989b.bin4b438cd66f99615ab119c7b7bf52119f924c77ec56c1b6836069b939cf8d69a8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x989B | 10040 bytes |
font_02_sfnt_off0000bac5.binff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAC5 | 4324 bytes |
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