MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains a URL that appears to be a lure for 'cfa level 2 books pdf'. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be a phishing attempt via a malicious attachment, leading to a redirector.
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=cfa+level+2+books+pdf
- http://files.peoriaarea.com/uploads/1/3/2/6/132696018/68ea4.pdf
- http://files.infraredcreations.com/uploads/1/3/1/3/131382841/tukufofe_vakojexovapa_jifajadu_sisifetebofixos.pdf
- http://tiwevab.thisstuffrocks.net/uploads/1/3/1/4/131406717/tiwumo-buzobi-xolenexudemo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/6674/4216/files/miboravenupufewama.pdf
- https://cdn.shopify.com/s/files/1/0427/6633/6167/files/30795512813.pdf
- https://cdn.shopify.com/s/files/1/0431/2409/7175/files/niworamolivo.pdf
- https://cdn.shopify.com/s/files/1/0434/5095/7974/files/download_soal_usbn_biologi_sma.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44603331863.pdf
- https://cdn.shopify.com/s/files/1/0431/6597/4690/files/aditya_birla_network_hospital_list.pdf
- https://cdn.shopify.com/s/files/1/0428/3308/4575/files/adding_fractions_like_denominators_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0429/1425/0905/files/70620961011.pdf
- https://cdn.shopify.com/s/files/1/0432/1371/7662/files/7268057193.pdf
- https://cdn.shopify.com/s/files/1/0433/6749/7884/files/verajifawidenorojog.pdf
- https://cdn.shopify.com/s/files/1/0433/3905/5253/files/tal_dorei_campaign_guide_free_download.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006778.binbfb316335b1b7a24fb8c8a9ff92f35c4ac08a0978682d5d5bba9b1081a9173e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6778 | 5240 bytes |
font_01_sfnt_off00007963.binde9891d1cab577eb423a498c4d0b7428e945498254c714116f3706ba0eabeadb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7963 | 10532 bytes |
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