MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many pointing to a link farm infrastructure, and one critical link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggers the redirector, suggesting a phishing or scam attempt. The ML classifier also strongly indicated maliciousness.
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=water+borne+diseases+pdf+in+tamil
- http://files.memberoftwotribes.com/uploads/1/3/0/9/130969354/3149569.pdf
- http://files.ambitupstate.com/uploads/1/3/2/6/132681516/7e7bd1276f0ac.pdf
- http://files.treeoflifeph.com/uploads/1/3/0/9/130968912/c6222.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://fedorahosted.org/lohit
- https://cdn.shopify.com/s/files/1/0434/6835/7796/files/axolotl_francais.pdf
- https://cdn.shopify.com/s/files/1/0432/1322/6143/files/50774316302.pdf
- https://cdn.shopify.com/s/files/1/0430/3293/6605/files/punedorulununo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/84712881745.pdf
- https://cdn.shopify.com/s/files/1/0434/8795/3053/files/29468335772.pdf
- https://cdn.shopify.com/s/files/1/0435/8940/2783/files/australia_political_map_blank.pdf
- https://cdn.shopify.com/s/files/1/0431/3923/5997/files/cursive_writing_alphabet.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pekuxiwitijumowiviw.pdf
- https://cdn.shopify.com/s/files/1/0432/6480/2982/files/54299604977.pdf
- https://cdn.shopify.com/s/files/1/0432/4406/0839/files/manual_de_dibujo_tecnico_arquitectonico.pdf
- https://cdn.shopify.com/s/files/1/0432/2990/5058/files/19597001594.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_off00007f2e.bin12cc1bbe66a8434a89415334ccaa60b1bc1fa2ef557cb5853e60f76715fcb1f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F2E | 5340 bytes |
font_01_sfnt_off00009140.bin4c3abbe9ab2e04f876b93955a974f3f421a2ce644a8b1a874ad986731f48e2e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9140 | 5532 bytes |
font_02_sfnt_off0000a38f.binf2465e8e8673add0395c373633bdc330bcc7042d65f2af86062ebc792079f782 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA38F | 11008 bytes |
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