MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one identified as a malicious redirector pointing to 'ttraff.cc'. The document body, though heavily obfuscated, suggests a lure related to academic content ('analytical mechanics of aerospace systems pdf'). The presence of numerous external links, including a link farm hosted on Shopify, indicates an attempt to drive traffic to potentially malicious sites. The ML classifier also flagged this PDF with high confidence.
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=analytical+mechanics+of+aerospace+systems+pdf
- http://files.corpuschristisc.org/uploads/1/3/0/8/130813934/wogusunakoxijez.pdf
- http://files.pearlmintzerphotography.com/uploads/1/3/0/7/130740364/3628980.pdf
- http://files.sensibleshock.com/uploads/1/3/2/7/132740479/vasesejakukek_faxej_lelikam.pdf
- http://files.rotterdamenglishspeakingtheatre.nl/uploads/1/3/1/4/131408432/2855680.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/0601/7186/files/nizazixasak.pdf
- https://cdn.shopify.com/s/files/1/0431/7754/1791/files/zizibakitemas.pdf
- https://cdn.shopify.com/s/files/1/0432/3170/7294/files/rigatopuz.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kitona.pdf
- https://cdn.shopify.com/s/files/1/0434/2549/7239/files/72918954020.pdf
- https://cdn.shopify.com/s/files/1/0437/6982/3390/files/27813853609.pdf
- https://cdn.shopify.com/s/files/1/0437/3685/8776/files/xikafumujuvipo.pdf
- https://cdn.shopify.com/s/files/1/0428/0143/0695/files/86829782231.pdf
- https://cdn.shopify.com/s/files/1/0436/0319/8115/files/22337571677.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/21086069096.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_off0000744a.bin3127e7b0f0a86b5f5b1777fe4cd9de37de29bf3b4148cc2391eeb0208c9ff903 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x744A | 5272 bytes |
font_01_sfnt_off00008604.bin0a39002f245eb733470ab80e74d80ce8c89fba0c72727a532b8e3787133a2ab3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8604 | 10740 bytes |
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