MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a worksheet, which is a common lure. The presence of a malicious redirector indicates an attempt to lead the user to a malicious site, likely for phishing or to download further malware. No scripts were extracted, but the overall structure and link analysis strongly suggest a malicious intent.
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/wb?keyword=linking%20verbs%20worksheet%204th%20grade
- http://tuzut.knox-graceec.org/uploads/1/3/0/7/130738970/9f76b4.pdf
- http://files.englishvintagenotions.com/uploads/1/3/1/4/131454270/0696ba7d.pdf
- http://files.thinkhairsalonstudio.com/uploads/1/3/2/6/132682281/mogokudopejenojap.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6450/0122/files/jspdf_fromhtml_line_break.pdf
- https://cdn.shopify.com/s/files/1/0434/0236/3045/files/nomosadasijomizolizilux.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20011772627.pdf
- https://cdn.shopify.com/s/files/1/0449/1807/9655/files/34817927962.pdf
- https://cdn.shopify.com/s/files/1/0432/5857/7046/files/74335923716.pdf
- https://cdn.shopify.com/s/files/1/0433/3702/3641/files/sistema_de_irrigao_por_asperso_convencional.pdf
- https://cdn.shopify.com/s/files/1/0429/0589/5075/files/africa_map_with_capitals.pdf
- https://cdn.shopify.com/s/files/1/0434/3991/5175/files/bharathiyar_kavithaigal_in_english.pdf
- https://cdn.shopify.com/s/files/1/0428/2220/5607/files/catalogo_tecfil_em.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_off00004a40.binc2b363f8f06a388b4baca7792119483de91e06b8feb169ad22746a9010563eb5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4A40 | 5440 bytes |
font_01_sfnt_off00005cc9.bin813808516e2e93e5b403a2cb20f0a27deabab3d87481f3615aff724365c6fe75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CC9 | 10372 bytes |
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