MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a heuristic firing for a malicious redirector link, which is further supported by the presence of numerous embedded URLs. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=psychology+book+pdf+class+12'. The document body, though heavily obfuscated, contains text related to 'Psychology book pdf class 12', suggesting a lure to entice users to click the malicious link. The file also exhibits characteristics of a link farm, with many external PDF links.
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=psychology+book+pdf+class+12
- http://files.creativekco.com/uploads/1/3/1/4/131437775/zupibo_terebo_tinewabaput.pdf
- http://files.arlenhancockactor.com/uploads/1/3/1/1/131164152/4108555.pdf
- http://files.ttbami.com/uploads/1/3/1/4/131437984/junukibiwuf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/7375/7603/files/kopivenura.pdf
- https://cdn.shopify.com/s/files/1/0430/4125/9671/files/el_quijote_apocrifo_de_avellaneda.pdf
- https://cdn.shopify.com/s/files/1/0438/1717/3149/files/73717926484.pdf
- https://cdn.shopify.com/s/files/1/0434/0485/3406/files/nuwaboloxokenuripekozuvow.pdf
- https://cdn.shopify.com/s/files/1/0429/5573/5193/files/prot_warrior_pvp_talents.pdf
- https://cdn.shopify.com/s/files/1/0430/8929/7568/files/nazododasefu.pdf
- https://cdn.shopify.com/s/files/1/0440/6332/6358/files/nico_bellic_soundboard.pdf
- https://cdn.shopify.com/s/files/1/0434/0406/6983/files/navowedetatebufidu.pdf
- https://cdn.shopify.com/s/files/1/0435/7731/1395/files/kufato.pdf
- https://cdn.shopify.com/s/files/1/0439/5030/9531/files/pumaxax.pdf
- https://cdn.shopify.com/s/files/1/0433/5930/5880/files/cultural_ecology_example.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_off00005103.binb830adae54b623f08a4a16b24d48f717ea1c6438878fc42e5492c5c8b9b5ece7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5103 | 5812 bytes |
font_01_sfnt_off000064dc.binee610ff504ded15d4d1db93fdbaf12215cc710cc01b128e0b3e510c978aa0eac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64DC | 9884 bytes |
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