MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains embedded links that point to a malicious redirector, which in turn leads to a link farm of 28 other PDF documents. The document body text, though heavily obfuscated, contains the same malicious URL and a benign-looking title related to a worksheet. This suggests a social engineering attempt to direct users to 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=words+that+begin+with+short+i+worksheet
- http://rosiguxut.seanpeinado.com/uploads/1/3/1/6/131606127/wokuka.pdf
- http://files.drjoffee.com/uploads/1/3/1/6/131606208/lidumisuvitinan-tekofiliwor.pdf
- http://lilexuti.d-team.info/uploads/1/3/0/8/130814088/50bbc801.pdf
- http://files.gennylispadilla.com/uploads/1/3/0/8/130814021/6e47b1bda54924.pdf
- http://files.gennylispadilla.com/uploads/1/3/0/8/1
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sutapazuvonovojikujabera.pdf
- https://cdn.shopify.com/s/files/1/0431/7881/9735/files/estadistica_descriptiva_probabilidad_e_inferencia.pdf
- https://cdn.shopify.com/s/files/1/0432/3183/8368/files/vinizefawelexutuju.pdf
- https://cdn.shopify.com/s/files/1/0439/0522/0776/files/27368397533.pdf
- https://cdn.shopify.com/s/files/1/0432/0457/5387/files/linutezivewisonuga.pdf
- https://cdn.shopify.com/s/files/1/0431/1796/9570/files/11915963647.pdf
- https://cdn.shopify.com/s/files/1/0427/8904/4383/files/zosotumotu.pdf
- https://cdn.shopify.com/s/files/1/0430/7025/9357/files/lukinanufugijegojab.pdf
- https://cdn.shopify.com/s/files/1/0432/3452/5352/files/27395055183.pdf
- https://cdn.shopify.com/s/files/1/0430/2874/2298/files/jogirobepoliwovorivuz.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_off000066ac.bin8951248b8f3308c0fd26d2c00b05710e9d7efaa52357860b1700ddf533e3b441 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66AC | 5364 bytes |
font_01_sfnt_off00007907.bin67b76050774332ff77ccabffcbd77f00808956b7e1e308b99d3e8bd940747eb7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7907 | 10192 bytes |
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