MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary URL, 'https://ttraff.com/wb?keyword=essentials%20of%20business%20driven%20information%20systems%20pdf', is flagged as a malicious redirector. Another heuristic identified a large number of external PDF links, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly supports the malicious nature of this PDF.
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/wb?keyword=essentials%20of%20business%20driven%20information%20systems%20pdf
- http://zafuf.gazetteevents.com/uploads/1/3/1/4/131438477/sebepa.pdf
- http://files.radboardsport.co/uploads/1/3/1/4/131454766/gufoberovofavon.pdf
- https://cdn.shopify.com/s/files/1/0440/3717/7494/files/putoleda.pdf
- https://cdn.shopify.com/s/files/1/0433/8378/3575/files/freedom_of_religion_apostasy_and_islam.pdf
- https://cdn.shopify.com/s/files/1/0432/1778/0896/files/61734392518.pdf
- https://cdn.shopify.com/s/files/1/0429/8476/7641/files/45532576752.pdf
- https://cdn.shopify.com/s/files/1/0437/6258/1658/files/babulal_nagarmal_satnalika_foundation_scholarship_2020.pdf
- https://cdn.shopify.com/s/files/1/0435/0912/1184/files/pambansang_bayani_ng_pilipinas.pdf
- https://cdn.shopify.com/s/files/1/0431/9058/3464/files/diablo_2_sorcerer_builds.pdf
- https://cdn.shopify.com/s/files/1/0440/1951/5557/files/91240743518.pdf
- https://cdn.shopify.com/s/files/1/0437/0549/9803/files/the_love_dare_for_parents.pdf
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/9331099022.pdf
- https://cdn.shopify.com/s/files/1/0434/1648/6040/files/uniden_5._8_ghz_cordless_phone_manual.pdf
- https://cdn.shopify.com/s/files/1/0435/5063/8241/files/22582097922.pdf
- https://cdn.shopify.com/s/files/1/0433/3699/0885/files/nujes.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004c80.bin7fea34217c6ac51f0ae053457a5eec0ad85e8d3ad348aa883ab45f56954de1eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C80 | 5444 bytes |
font_01_sfnt_off00005ef1.bin2f76df469c0b7d9d5acaabbeaafad272f0d805461b90e6c26022e0d4173ea39d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5EF1 | 9808 bytes |
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