MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector infrastructure, suggesting a link farm or phishing lure. The primary redirector URL is https://ttraff.ru/pify?keyword=ethical+hacking+books+in+tamil+pdf, which is associated with malicious activity. While no scripts were explicitly extracted, the PDF structure and embedded links strongly indicate a malicious intent to redirect users to potentially harmful content, likely for SEO manipulation or phishing.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=ethical+hacking+books+in+tamil+pdf In PDF document text
- http://files.thomaslhiegel.com/uploads/1/3/0/7/130775245/1492316.pdfIn PDF document text
- http://files.avsyum.com/uploads/1/3/0/8/130813100/32725f48bcd05.pdfIn PDF document text
- http://files.annahovet.com/uploads/1/3/2/3/132302858/xevoxiz-dudibugunet-nazedegeb.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/1/0431/2711/1841/files/74072948947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0982/6213/files/89570380848.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2190/9662/files/html_to_php_7.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1673/9222/files/xivegobikov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6999/7207/files/10030254739.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3313/2193/files/zekisazuduzaxafetizuwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3264/0664/files/426174872.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1868/9434/files/28134197946.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0183/8757/files/fojarajinegeputeturo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8389/6734/files/86716154113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1668/2663/files/2746928238.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6594/0904/files/dogoxux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5052/3029/files/bunkie_test_espaol.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
🗂 Part of campaign:
annahovet.com
4 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007297.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7297 | 5636 bytes |
SHA-256: 39a675e07852f452563390d33020055d8138ebe09d24431bba3372ce38fcf029 |
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font_01_sfnt_off0000859c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x859C | 10292 bytes |
SHA-256: e60000878c6fc3b1de427335f9638af65b5f533752b59306c81ec8cae608380b |
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