MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Causes of epilepsy pdf' and a URL that appears to be part of a link farm designed to attract users. The primary malicious link identified is https://ttraff.ru/pify?keyword=causes+of+epilepsy+pdf, which is likely used to redirect users to further malicious content. The presence of a link farm suggests an attempt to improve search engine ranking for malicious content.
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.ru/pify?keyword=causes+of+epilepsy+pdf In PDF document text
- http://files.serenitywholisticliving.com/uploads/1/3/1/4/131408899/papoj-motaf-sasubikufol.pdfIn PDF document text
- http://niboduvi.asia-days.com/uploads/1/3/0/7/130739835/959b4a6e58f0d05.pdfIn PDF document text
- http://files.minksfamily.com/uploads/1/3/1/6/131636957/bamitav.pdfIn PDF document text
- http://files.freezeyogurtbar.com/uploads/1/3/2/6/132696465/6031327.pdfIn PDF document text
- http://files.cornerpostcowboychurch.com/uploads/1/3/1/4/131438718/eabd7baf1756.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/1/0431/4680/5404/files/zipubikepasojozivu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6203/4589/files/fubofagagirewar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8814/2743/files/biocenosis_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7974/6201/files/gefexokigigonajedeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5531/7149/files/84515127538.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1473/9352/files/xinosigujuzanatumupefubi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9311/5548/files/bowikopax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0677/8784/files/83011949957.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3789/1487/files/mufida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3196/2535/files/septoplastia_procedimiento_quirurgico.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9019/6133/files/66022990222.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_off000070fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70FA | 4948 bytes |
SHA-256: f71f45d34b6a2ee7a45702c3617586282f8c58687550d9e6a309765af4d0abbc |
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font_01_sfnt_off000081ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81EC | 11220 bytes |
SHA-256: 81c6e33aa7b17c90cd3f1107b5af45913706980fcf26f0e44a94126ba2bfb6cb |
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