MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Also sprach Zarathustra' and financial mathematics, likely serving as a lure to encourage users to click the malicious links. The presence of a link farm and a critical heuristic firing for a malicious redirector strongly indicates a phishing or redirection 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.com/pify?keyword=also+sprach+zarathustra+trumpet+pdf
- http://files.restoreptllc.com/uploads/1/3/0/9/130969573/pujabijesawegerosi.pdf
- http://files.holytrinitylutheranchurch.org/uploads/1/3/1/6/131606396/79fd1625b2d1.pdf
- http://rumimalo.gnosisadelaide.com/uploads/1/3/1/4/131437423/6236099.pdf
- http://files.praktische-philosophie.org/uploads/1/3/1/3/131380345/1497040.pdf
- http://files.drake-oakbrook.com/uploads/1/3/2/6/132683292/3409323e.pdf
- https://cdn.shopify.com/s/files/1/0428/6673/7311/files/39933692386.pdf
- https://cdn.shopify.com/s/files/1/0437/8047/2984/files/introduction_to_financial_mathematics_textbook.pdf
- https://cdn.shopify.com/s/files/1/0430/6396/7906/files/99190789074.pdf
- https://cdn.shopify.com/s/files/1/0432/4645/2899/files/93603618809.pdf
- https://cdn.shopify.com/s/files/1/0437/2489/8453/files/fatenesabobage.pdf
- https://cdn.shopify.com/s/files/1/0433/8089/9989/files/jajok.pdf
- https://cdn.shopify.com/s/files/1/0433/0877/7637/files/tafap.pdf
- https://cdn.shopify.com/s/files/1/0435/5761/7823/files/levantamento_planialtimetrico.pdf
- https://cdn.shopify.com/s/files/1/0428/1656/9500/files/95961815554.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006381.bin5d0d17c47f2260413c1ae23bc7b237d7c17e3a41e60a4530d2b86e36ffb61d57 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6381 | 5432 bytes |
font_01_sfnt_off000075dd.bin499d20757a51e369e7bb9e408791b2c20107d1742e8c414678d95f737ba5fe8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75DD | 10692 bytes |
font_02_sfnt_off00009ace.bin73e2bae015806fcbcea00a5e77fef36cf57312733aebee32ba98308b5ce41d75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9ACE | 16120 bytes |
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