MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a workbook, intended to lead users to harmful content. The ML classifier strongly indicated maliciousness, and the presence of a link farm further supports a malicious intent to distribute content or malware. The document body itself is heavily obfuscated but contains the malicious URL.
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=excel+advanced+skills+writing+workbook+year+5+pdf
- http://files.fivelakescabinetry.com/uploads/1/3/2/6/132681969/2556215.pdf
- http://files.napervillebigbandjazzfestival.com/uploads/1/3/1/3/131381677/155788.pdf
- http://files.ordernutsabouttella.com/uploads/1/3/0/7/130776150/965631.pdf
- http://tedet.lindenweitz.com/uploads/1/3/0/7/130775085/664290.pdf
- http://menugoke.reedley4h.com/uploads/1/3/0/9/130969059/3728105.pdf
- https://cdn.shopify.com/s/files/1/0431/5670/1348/files/rilikezajizefavox.pdf
- https://cdn.shopify.com/s/files/1/0432/4956/5853/files/66126118274.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.pdf
- https://cdn.shopify.com/s/files/1/0431/6951/3632/files/92747695793.pdf
- https://cdn.shopify.com/s/files/1/0429/1064/6435/files/barazisefunakep.pdf
- https://cdn.shopify.com/s/files/1/0431/2799/6565/files/dilow.pdf
- https://cdn.shopify.com/s/files/1/0437/7300/1877/files/wukosutugogar.pdf
- https://cdn.shopify.com/s/files/1/0431/9395/8560/files/32619518877.pdf
- https://cdn.shopify.com/s/files/1/0429/8581/6217/files/51623646830.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_off00005ae8.bin12af7510a081acfbfcabe4d97eed37cde94524d469f4e6dd89e46dfaa67bfa71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AE8 | 5932 bytes |
font_01_sfnt_off00006f4b.bin4cc321563bfe9d86cd1df38c540e766ae35b698ba0490962d7cdb9f15c0e1dbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F4B | 10228 bytes |
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