MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to a redirector URL, identified as malicious. The document body, though heavily obfuscated, suggests a lure for 'quantitative genetics pdf free download'. The presence of numerous external PDF links further indicates a link farm or SEO manipulation tactic to drive traffic to malicious sites. No scripts were extracted, but the PDF structure itself facilitates the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=quantitative+genetics+pdf+free+download In PDF document text
- http://files.jjhorseranch.com/uploads/1/3/0/7/130776082/tibakametebiz_gujibakanupujo.pdfIn PDF document text
- http://files.vanbarfitness.com/uploads/1/3/1/8/131859993/xibunusowijo.pdfIn PDF document text
- http://files.fitnessfactory1.com/uploads/1/3/0/7/130739567/3499249.pdfIn PDF document text
- http://files.liftyoureyesgallery.com/uploads/1/3/2/6/132695244/1441293.pdfIn PDF document text
- http://files.asafcircus.com/uploads/1/3/0/7/130775977/widusesifiz_dumemedokamed_sajejizatitun.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/1/0428/9835/8432/files/49816413057.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5102/3510/files/26192343491.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76102764406.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4686/3005/files/bokemegilezitakozozalaled.pdfIn PDF document text
- https://kunamazimav.files.wordpress.com/2020/07/99619542987.pdfIn PDF document text
- https://jusuxifigig.files.wordpress.com/2020/06/benonusobekejow.pdfIn PDF document text
- https://bazaroguj.files.wordpress.com/2020/07/lofanel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3264/0664/files/zelatareludofesamo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7140/6241/files/12546510589.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1585/4490/files/18056302601.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8196/5474/files/81721991357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5100/8671/files/81098720815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8050/6791/files/37582645955.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4421/6727/files/sowagadifogameworisokegog.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_off00007e20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E20 | 5420 bytes |
SHA-256: 9ac79652441afabcf29e09e5c658abb7dc70472cfebe2814c3db65a1c8909287 |
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font_01_sfnt_off000090b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90B3 | 10716 bytes |
SHA-256: 4680c84a27d5f0ecb693deeffc1e828cb56db5d6bcbba7455170716d27e61ea7 |
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