MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a mass of external links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The presence of numerous PDF links suggests a link farm or SEO poisoning attempt to distribute malicious content.
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=berlin+conference+1884+pdf
- http://files.sutroelementary.com/uploads/1/3/0/7/130776589/8347842.pdf
- http://files.stanleyboxing.com/uploads/1/3/2/6/132695200/8ed68fc.pdf
- http://kuwonas.shopkaiapapaya.com/uploads/1/3/1/4/131437402/d06847d5d7.pdf
- http://files.layover-tour-beijing.com/uploads/1/3/1/3/131379919/devisodegi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/0034/6270/files/tebekinepurozevekaduxo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xakuxosisubesabemobaf.pdf
- https://cdn.shopify.com/s/files/1/0451/3621/6229/files/jade_empire_romance.pdf
- https://cdn.shopify.com/s/files/1/0436/2174/4803/files/kasofoxoxatelafidogodof.pdf
- https://cdn.shopify.com/s/files/1/0438/2529/9613/files/tosudalenobetew.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84113106953.pdf
- https://cdn.shopify.com/s/files/1/0431/9769/4109/files/63566173553.pdf
- https://cdn.shopify.com/s/files/1/0433/6202/5624/files/84431298987.pdf
- https://cdn.shopify.com/s/files/1/0437/2021/2645/files/kasidasapuro.pdf
- https://cdn.shopify.com/s/files/1/0432/7309/3288/files/97850780194.pdf
- https://cdn.shopify.com/s/files/1/0429/7061/1861/files/25482550196.pdf
- https://cdn.shopify.com/s/files/1/0435/2966/6724/files/fekugelivuwuwesoxarafiki.pdf
- https://cdn.shopify.com/s/files/1/0428/6555/7671/files/lonumajos.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_off0000bcd0.bin18f2b7837877ececa010610e6cb8b38682d9b47b9061f3d40c341966b05de3d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCD0 | 5144 bytes |
font_01_sfnt_off0000ce75.bin55e56376e19378025a7fd01d5305080dfbe913884ac0879f9aa098fd234f3ab9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE75 | 10272 bytes |
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