MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service that is flagged as malicious. The document body and heuristics indicate a lure for free downloads, likely a phishing or scam attempt. The ML classifier strongly supports the malicious verdict, and the embedded links suggest an attempt to redirect users to malicious infrastructure for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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=ruhs+bsc+nursing+entrance+exam+paper+2020+pdf In PDF document text
- http://files.vegasvowsforfree.com/uploads/1/3/0/7/130776263/zatizex-wekomol-zomizekadapu.pdfIn PDF document text
- http://files.stacyparkerjoyce.com/uploads/1/3/1/8/131857334/b0d8142.pdfIn PDF document text
- http://files.rioxpvista.com/uploads/1/3/1/6/131637034/36c763c9765.pdfIn PDF document text
- http://files.reginamartyn.com/uploads/1/3/0/9/130969185/larilip.pdfIn PDF document text
- http://riwumu.maplegrovepta.org/uploads/1/3/1/6/131606407/lejapanuferes-koloxafotetat-zudidom.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9336/0791/files/kogolax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8074/3080/files/walter_benjamin_violencia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5598/6341/files/tupapinifivifareboxipo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/80577663871.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/5968/0156/files/youth_civic_engagement.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7798/3653/files/47904946131.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3756/4823/files/kexatikav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8993/5003/files/bank_of_baroda_current_account_opening_form.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6132/1634/files/53703885283.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6200/1821/files/mojer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4988/6620/files/mavodisusanu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5183/5801/files/cutnell_physics_10th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6581/8789/files/6551548873.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000687f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x687F | 6028 bytes |
SHA-256: 12aa13425336ffe825b558a202a73634eab882c5813a3456a9a14998c883672b |
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font_01_sfnt_off00007ce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CE2 | 13760 bytes |
SHA-256: 548e7e0b692f05dec51ae3e80dc52fa3980b49da3693e3963567fc0746689142 |
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