MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is presented to the user as a search result for a technical book, likely to entice clicks. The document also contains a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicates 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.com/pify?keyword=elasticsearch+cookbook+pdf
- http://files.icupearls.org/uploads/1/3/1/8/131856949/e2df3d468.pdf
- http://mulumon.getwirelessnz.com/uploads/1/3/0/9/130969685/mugisekotasuzeg.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0432/7879/4920/files/blood_type_a_negative_diet_food_list.pdf
- https://cdn.shopify.com/s/files/1/0435/7704/9247/files/blanket_chest_plans.pdf
- https://cdn.shopify.com/s/files/1/0427/8570/2054/files/41065565118.pdf
- https://cdn.shopify.com/s/files/1/0438/2906/7938/files/64085640542.pdf
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/8358139273.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pewugokujugiwiburonanas.pdf
- https://cdn.shopify.com/s/files/1/0434/5089/2454/files/gegoxejofaro.pdf
- https://cdn.shopify.com/s/files/1/0430/4853/4167/files/25170983304.pdf
- https://cdn.shopify.com/s/files/1/0431/7259/3832/files/18397000291.pdf
- https://cdn.shopify.com/s/files/1/0436/7784/3609/files/funza_lushaka_bursary_application_form.pdf
- https://cdn.shopify.com/s/files/1/0437/7296/9109/files/74820253823.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_off00006f0a.bin1def52eb9676625528d7b508585e4e372402b4a57575b2dba8a367caba544c88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F0A | 5088 bytes |
font_01_sfnt_off00008057.bine508ebc1b524edc320d356531fa15f7b29b1e626c6b703f62edefcade714ea63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8057 | 10692 bytes |
font_02_sfnt_off0000a4de.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA4DE | 4324 bytes |
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