MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF contains multiple embedded links, with one identified as a malicious redirector. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the URL https://ttraff.cc/pify?keyword=java+list+of+integers. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, with https://cdn.shopify.com/s/files/1/0431/6332/0471/files/velunatonojeko.pdf being the first identified. The ML classifier also strongly indicated maliciousness.
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=java+list+of+integers
- http://files.natashadownes.com/uploads/1/3/1/4/131437848/bovepotigejesiw-jifejef-raxofupa.pdf
- http://files.yogarama.net/uploads/1/3/0/7/130775071/8069189.pdf
- http://files.northwestgrizzlyfootball.com/uploads/1/3/0/7/130775156/2702468.pdf
- http://files.hunterandersonrichmond.com/uploads/1/3/1/3/131379118/fefav.pdf
- https://cdn.shopify.com/s/files/1/0431/6332/0471/files/velunatonojeko.pdf
- https://cdn.shopify.com/s/files/1/0428/5464/5916/files/74004355134.pdf
- https://cdn.shopify.com/s/files/1/0434/8719/9394/files/zegadudazaxuwa.pdf
- https://cdn.shopify.com/s/files/1/0435/9657/8979/files/74460069949.pdf
- https://cdn.shopify.com/s/files/1/0429/0769/7305/files/sixolejezorepalotonij.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pejuzesuloroxutebed.pdf
- https://cdn.shopify.com/s/files/1/0427/5834/0774/files/wuwimurumagetipomozi.pdf
- https://cdn.shopify.com/s/files/1/0439/0020/7272/files/31548992515.pdf
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/bajuxuramexegifidow.pdf
- https://cdn.shopify.com/s/files/1/0438/6711/1584/files/82043227653.pdf
- https://cdn.shopify.com/s/files/1/0439/3759/5560/files/mavefawib.pdf
- https://cdn.shopify.com/s/files/1/0432/5166/3012/files/67101209655.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_off0000a0c4.bin813e858fbd7e0ea6a46d0ba180573d49fb6fd6fe6fa86aa39f18a76ea2648538 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0C4 | 4772 bytes |
font_01_sfnt_off0000b108.bind533a266ac8096adb57ef6f08733ebf5912d6d3e7872d0bda391f87ec404cbc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB108 | 14908 bytes |
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