MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a link farm designed to redirect users to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, suggests a lure related to file conversion. The presence of embedded URLs and the ML classifier's high confidence score support the malicious classification.
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=windows+photo+viewer+to+pdf
- http://files.mauipopwarner.com/uploads/1/3/2/6/132695365/lotitim.pdf
- http://files.francocastilla.com/uploads/1/3/1/8/131856491/9939604.pdf
- http://files.melissastonebergerfoundation.org/uploads/1/3/1/3/131381411/rupaka-golemibar.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9682/6273/files/1577481484.pdf
- https://cdn.shopify.com/s/files/1/0437/9561/1810/files/zeluwezejigebofojef.pdf
- https://cdn.shopify.com/s/files/1/0432/7630/4544/files/97417134168.pdf
- https://cdn.shopify.com/s/files/1/0433/2955/2552/files/zemiv.pdf
- https://cdn.shopify.com/s/files/1/0431/3029/0327/files/kepekutixixu.pdf
- https://cdn.shopify.com/s/files/1/0436/9534/1723/files/75250663642.pdf
- https://cdn.shopify.com/s/files/1/0431/2770/1655/files/74565938793.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nulanevu.pdf
- https://cdn.shopify.com/s/files/1/0435/1492/1112/files/zewano.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/11783771814.pdf
- https://cdn.shopify.com/s/files/1/0431/1256/2849/files/13702718086.pdf
- https://cdn.shopify.com/s/files/1/0435/5024/5028/files/58065740854.pdf
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/15986350506.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_off000061b3.binfbeedb31f04f33f10d667d82912e309779dcfdedbb5c14b6d60ec656ebcde447 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61B3 | 4840 bytes |
font_01_sfnt_off00007239.bin2b50bbddb9fec041e957e9801a95d6a0b4cea44c6f875d6940f2c14f56bd2e5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7239 | 11240 bytes |
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