MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by an ML classifier and contains a significant number of embedded links. One critical heuristic identified a link to a known malicious redirector infrastructure (ttraff.cc), and another noted a large external PDF link farm. While no scripts were extracted, the sheer volume of links, including one pointing to a known malicious redirector, strongly suggests a phishing or malware distribution attempt.
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=adeste+fideles+chords+pdf
- http://ridedatu.schaufinefarms.com/uploads/1/3/0/8/130874416/mizafevumizogunaje.pdf
- http://files.ohsband.org/uploads/1/3/0/7/130776542/8358367.pdf
- http://files.winghamprc.org/uploads/1/3/0/8/130814169/ff064c6a76.pdf
- http://pofutize.svetaeufemijasociety.com/uploads/1/3/2/6/132681504/96729f8da189cc.pdf
- https://cdn.shopify.com/s/files/1/0434/4014/4534/files/20801493072.pdf
- https://cdn.shopify.com/s/files/1/0431/2917/6232/files/46562518900.pdf
- https://cdn.shopify.com/s/files/1/0433/8542/1978/files/types_of_analog_to_digital_converter.pdf
- https://cdn.shopify.com/s/files/1/0434/5813/4168/files/kilabakufijejuvibosenos.pdf
- https://cdn.shopify.com/s/files/1/0434/0904/7717/files/tudosajosewusalakuxi.pdf
- https://cdn.shopify.com/s/files/1/0436/9163/8934/files/jpeg_to_bmp.pdf
- https://cdn.shopify.com/s/files/1/0428/4219/4083/files/limudurimu.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/97774921827.pdf
- https://cdn.shopify.com/s/files/1/0435/3431/9776/files/kurez.pdf
- https://cdn.shopify.com/s/files/1/0438/2018/7805/files/nopugodanopeluxozan.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32829552166.pdf
- https://cdn.shopify.com/s/files/1/0432/3259/2040/files/42209682511.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_off00004a38.bine96770920573ab58b2a52a5b856589beb662c9a0130ca74e62263b7fa019ddec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A38 | 5024 bytes |
font_01_sfnt_off00005b4c.binbd05ae5bf455aeb750919f4a104a4b0336ccf52c3914d6eec0b614350a4e6f45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B4C | 13868 bytes |
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