MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many of which point to a link farm designed to improve search engine rankings. One of these links, 'https://ttraff.cc/pify?keyword=high+school+vocabulary+worksheets+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to educational content and the malicious URL, suggesting a lure to drive traffic to malicious infrastructure.
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=high+school+vocabulary+worksheets+pdf
- http://files.factorfakedfan.com/uploads/1/3/0/9/130969572/vojuriwusomoparut.pdf
- http://lokoru.lavinawagnerphotography.com/uploads/1/3/2/6/132682787/wosusibodizetov_suwojovazeniji_ximunu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/5802/8959/files/pijoj.pdf
- https://cdn.shopify.com/s/files/1/0428/5923/3443/files/birla_mandir_information_in_telugu.pdf
- https://cdn.shopify.com/s/files/1/0430/7451/9194/files/8216863717.pdf
- https://cdn.shopify.com/s/files/1/0437/8840/2839/files/hiv_aids_basic_information.pdf
- https://cdn.shopify.com/s/files/1/0427/6187/9719/files/puvokevebamo.pdf
- https://cdn.shopify.com/s/files/1/0454/6310/9790/files/chemistry_ii_practice_intermolecular_forces_answers.pdf
- https://cdn.shopify.com/s/files/1/0431/0374/8247/files/beats_studio_3.pdf
- https://cdn.shopify.com/s/files/1/0432/5706/9721/files/lifodoxif.pdf
- https://cdn.shopify.com/s/files/1/0428/4170/2567/files/rekatator.pdf
- https://cdn.shopify.com/s/files/1/0440/0598/2366/files/15538748021.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dijovosulodomozov.pdf
- https://cdn.shopify.com/s/files/1/0434/4116/0344/files/apprendre_a_parler_anglais_gratuitement.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_off00005e94.bin13a270a4a79aee4c95983c3e367b52bbd3d52d54ead502c377014198121764e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E94 | 5836 bytes |
font_01_sfnt_off00007285.bin0a6384c945d3c5a0f540de13ccb821a327a8b851722c4ee84a6a9934f13ac2dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7285 | 10260 bytes |
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