MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a redirector URL, which is a common tactic for distributing malicious content. The ML classifier strongly indicated maliciousness, and the PDF structure suggests a link farm designed to improve SEO for malicious content. Although no scripts were explicitly extracted, the presence of embedded URLs and the overall heuristic firings point towards a phishing or redirection attack.
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=electrical+engineering+basics+question+and+answers+pdf
- http://wotogaxan.medpixel.net/uploads/1/3/2/6/132681670/f05c23.pdf
- http://files.trancityevent.com/uploads/1/3/1/4/131483267/zamuvemadabov.pdf
- http://files.natureofchemistry.com/uploads/1/3/0/8/130874110/a036745.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0434/6406/5174/files/78640374776.pdf
- https://cdn.shopify.com/s/files/1/0428/7725/5836/files/70902248274.pdf
- https://cdn.shopify.com/s/files/1/0430/9955/3959/files/59668868598.pdf
- https://cdn.shopify.com/s/files/1/0438/9378/4728/files/75030404564.pdf
- https://cdn.shopify.com/s/files/1/0430/3070/8385/files/lukokugatukekuv.pdf
- https://cdn.shopify.com/s/files/1/0437/6982/3383/files/61614692421.pdf
- https://cdn.shopify.com/s/files/1/0433/8892/8150/files/xitavirekixujolodujijoro.pdf
- https://cdn.shopify.com/s/files/1/0431/9094/3904/files/gufok.pdf
- https://cdn.shopify.com/s/files/1/0429/8830/6586/files/jumitotedir.pdf
- https://cdn.shopify.com/s/files/1/0427/9461/4940/files/basketball_tryout_evaluation_form.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068ef.bind31c7260fba49246d8949cb359a372b1a5a418a3b6f0032f5351d575ef494fa4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68EF | 5520 bytes |
font_01_sfnt_off00007bbb.bin7071682cb746b0d4dbc98f560a2154608dec7f740b2bd140e0c2e722c475ce5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BBB | 11112 bytes |
font_02_sfnt_off0000a171.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA171 | 4324 bytes |
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