MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to benign content, but one critical link directs to a known malicious redirector. This suggests a strategy to generate traffic or SEO ranking through a link farm, with the primary malicious URL being the entry point for further compromise. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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/wix?keyword=little+mermaid+medley+sheet+music
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_b199982e9424494faa47077ed883b1b5.pdf
- https://static.usrfiles.com/ugd/b8c837_96ca8690fda74c27bbbcaf388d325fc6.pdf
- https://static.usrfiles.com/ugd/b8c837_3516c67845fd40e2adecda447aa46ce6.pdf
- https://static.usrfiles.com/ugd/a4e402_b627e30c9d234c3cbd9673526070449c.pdf
- https://cdn.shopify.com/s/files/1/0434/0632/7975/files/rutasuzufabawo.pdf
- https://cdn.shopify.com/s/files/1/0429/6749/8911/files/nexofajagazuporigeti.pdf
- https://cdn.shopify.com/s/files/1/0428/3518/1734/files/rubbermaid_big_max.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nuruge.pdf
- https://cdn.shopify.com/s/files/1/0428/8380/9443/files/dopupemebezuk.pdf
- https://cdn.shopify.com/s/files/1/0461/8944/5283/files/instagram_apkpure_2019.pdf
- https://cdn.shopify.com/s/files/1/0433/3328/8088/files/majolojotog.pdf
- https://cdn.shopify.com/s/files/1/0431/9569/5267/files/73763698217.pdf
- https://cdn.shopify.com/s/files/1/0431/7279/0427/files/mewusudasezadutatowijoke.pdf
- https://cdn.shopify.com/s/files/1/0431/9235/2931/files/apoptosis_in_cancer_cells.pdf
- https://cdn.shopify.com/s/files/1/0432/3786/7680/files/wufajipomejijodulupija.pdf
- https://cdn.shopify.com/s/files/1/0437/3564/6357/files/97466684775.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_off00004551.bindfc28e75c1a08f862f795db7cd818f8002721cc284b76d815614a8c0ff12b94c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4551 | 5220 bytes |
font_01_sfnt_off000056eb.bin43956f19e9710f89445f5fe1a462d6ab49b5566bfc5f87623048bf0cf1720c90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56EB | 9628 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.