MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF document was flagged by multiple critical heuristics for containing malicious redirector links and a large farm of external PDF links. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that points to a known malicious redirector, likely intended to lead the user to a phishing or malware-hosting site. The presence of numerous links, including those to potentially untrusted domains, supports the conclusion that this PDF is designed for malicious redirection.
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.com/pify?keyword=biology+lab+experiments+pdf
- http://files.moonphasegoddessshop.com/uploads/1/3/2/6/132682327/tojimuwis.pdf
- http://zoxav.jracdm.com/uploads/1/3/1/4/131407535/2756382.pdf
- http://files.buffalobillboycott.com/uploads/1/3/2/6/132695200/zufikowuxexo-pilikanalewir.pdf
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/66166766468.pdf
- https://cdn.shopify.com/s/files/1/0429/2398/3001/files/mamelitiwimozavusitiw.pdf
- https://cdn.shopify.com/s/files/1/0434/5479/1832/files/semilegagidomewaru.pdf
- https://cdn.shopify.com/s/files/1/0432/0159/3507/files/58231511036.pdf
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/lokisexiz.pdf
- https://cdn.shopify.com/s/files/1/0440/1646/8133/files/bosukapopasewiwavafoseken.pdf
- https://cdn.shopify.com/s/files/1/0429/0763/1779/files/xowapeliwef.pdf
- https://cdn.shopify.com/s/files/1/0440/0958/6853/files/tavoz.pdf
- https://cdn.shopify.com/s/files/1/0433/4324/9563/files/72600202269.pdf
- https://cdn.shopify.com/s/files/1/0431/9988/9569/files/xofipegukabuvo.pdf
- https://cdn.shopify.com/s/files/1/0427/5198/3772/files/48318769238.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_off000062cf.bincf56b4704a6fc8978664db792590238aafc13ffdec01d75a7b90f3bd4d5ec546 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62CF | 5720 bytes |
font_01_sfnt_off0000763f.bin9f41b369cc8621ba3bcc5b8a55c0da29c0e7f1e73a3971befebff9f847ac8005 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x763F | 10044 bytes |
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