MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector, suggesting an attempt to lead the user to a malicious site. The document also hosts a large number of external PDF links, many of which point to potentially malicious content. The ML classifier strongly indicated maliciousness, supporting the assessment of a phishing or redirection attack.
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=change+twitter+font+size+android+2018
- http://files.postmarkrecords.com/uploads/1/3/0/9/130968921/sadugukazoka.pdf
- http://bobiwipuw.foodboothtents.com/uploads/1/3/0/8/130813780/nilil.pdf
- http://files.lagunabeachgop.net/uploads/1/3/1/0/131070646/runufizujutobuluv.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/1532/3291/files/lumuxizidimasubewo.pdf
- https://cdn.shopify.com/s/files/1/0436/1181/6099/files/asmaul_husna_versi_nu.pdf
- https://cdn.shopify.com/s/files/1/0431/5188/4445/files/juzesifowofifumajozesobus.pdf
- https://cdn.shopify.com/s/files/1/0440/7951/3752/files/bugozozijuv.pdf
- https://cdn.shopify.com/s/files/1/0430/0685/3269/files/83263705084.pdf
- https://cdn.shopify.com/s/files/1/0434/3886/6593/files/37307976393.pdf
- https://cdn.shopify.com/s/files/1/0429/2699/7663/files/70905950948.pdf
- https://cdn.shopify.com/s/files/1/0428/5258/1542/files/jopanokoxebelagexubiku.pdf
- https://cdn.shopify.com/s/files/1/0430/8451/3440/files/36322920669.pdf
- https://cdn.shopify.com/s/files/1/0427/6797/4556/files/kexekutezut.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_off00005ddd.binccfbfedc03070dd7f1fd127034ca4cbe0da359188f23594a13bfd5c29db3fe28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DDD | 5704 bytes |
font_01_sfnt_off0000715c.bin50162961db0ca36fb323966732125cbc13d0187ac92b3b473d285210b0a2d674 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x715C | 10256 bytes |
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