MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link that redirects to a known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the text 'Marine corps ring tone' and the malicious URL, suggesting a lure to entice users to click the link. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, many hosted on Shopify, which are likely part of a link farm to improve SEO for 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=marine+corps+ring+tone
- http://files.namvetscolumbus.org/uploads/1/3/2/6/132695361/6373637.pdf
- http://files.pittsburghcatchwrestling.com/uploads/1/3/0/9/130969160/xozigitojiwukob.pdf
- http://files.maconmedicalgroup.com/uploads/1/3/1/6/131636903/wovanobiwemejexojij.pdf
- https://cdn.shopify.com/s/files/1/0433/0923/6374/files/92837222284.pdf
- https://cdn.shopify.com/s/files/1/0431/1007/2481/files/da_1687_fillable.pdf
- https://cdn.shopify.com/s/files/1/0428/7594/5113/files/xijotokinezuzojofogemu.pdf
- https://cdn.shopify.com/s/files/1/0434/7258/4870/files/piwesukapomipalizas.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sujufizolotedugogu.pdf
- https://cdn.shopify.com/s/files/1/0432/8954/2809/files/xevilekebixiz.pdf
- https://cdn.shopify.com/s/files/1/0437/1401/9496/files/bafeni.pdf
- https://cdn.shopify.com/s/files/1/0432/1171/8820/files/pijukozewofemarukifo.pdf
- https://cdn.shopify.com/s/files/1/0431/0496/0676/files/31069617292.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vazakiliduvapi.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005253.bin696c5429d61fbd2ca0ab925e38ca958076c80a75fef1503c9e07090f66691f4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5253 | 5076 bytes |
font_01_sfnt_off000063ad.bin65bcb2b43a09de386ad366e680a1f299f50f81241b54bf95e5c6d76c543f3902 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63AD | 9716 bytes |
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