MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Beats wireless instructions pdf' and a URL that appears to be part of a link farm designed to attract search engine traffic. The ML classifier strongly indicated maliciousness, and the presence of a redirector URL confirms a malicious intent to lead users to harmful 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.ru/pify?keyword=beats+wireless+instructions+pdf
- http://files.alyssadavisillustration.com/uploads/1/3/0/7/130738914/4174160.pdf
- http://files.lacollectiva.org/uploads/1/3/0/9/130969169/puvatefodelidov-duxomerikiti.pdf
- http://files.balloonsbyjessica.com/uploads/1/3/2/6/132681740/4575432.pdf
- http://files.alexisarenas.com/uploads/1/3/1/8/131858916/wagabizuwenesiv-gapumamomav.pdf
- http://pisum.treatingcbs.com/uploads/1/3/1/0/131070374/netudiwarol.pdf
- https://cdn.shopify.com/s/files/1/0431/8747/0494/files/wesuzaloj.pdf
- https://cdn.shopify.com/s/files/1/0428/5127/0823/files/math_for_machine_learning_book.pdf
- https://cdn.shopify.com/s/files/1/0437/2670/0696/files/nizarepororizidofokegemup.pdf
- https://cdn.shopify.com/s/files/1/0435/7714/7547/files/wujabubaruvibatem.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/96280370261.pdf
- https://cdn.shopify.com/s/files/1/0428/8462/8633/files/deginemodotanevisoju.pdf
- https://cdn.shopify.com/s/files/1/0430/8759/3632/files/metabinileperewivewan.pdf
- https://cdn.shopify.com/s/files/1/0428/4514/3207/files/volinejubivewotiwotukifi.pdf
- https://cdn.shopify.com/s/files/1/0429/4996/8035/files/48694604761.pdf
- https://cdn.shopify.com/s/files/1/0432/7990/9030/files/30054535957.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81603963226.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_off00006ac4.bin27fffea631ec4a93d648f4a3b4553c52316ce9259f112162b02402605b7d8c32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AC4 | 5288 bytes |
font_01_sfnt_off00007ce4.bin24c17e4850215ec633f9305a61f9905a351447162bb62a5a6893d5b3e1697e97 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CE4 | 10476 bytes |
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