MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious due to the presence of a large number of embedded links, a technique often used to create link farms for SEO manipulation or to redirect users to malicious sites. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.ru/pify?keyword=la+mitad+del+mundo+completa. While the document body is heavily obfuscated, the overall structure and the high volume of external links strongly suggest a malicious intent, likely for phishing or malware distribution.
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=la+mitad+del+mundo+completa In PDF document text
- http://files.2520schooldays.com/uploads/1/3/1/8/131855992/kuwunenubazemopimo.pdfIn PDF document text
- http://files.ricklewisrealestate.com/uploads/1/3/0/8/130814874/bizek-pikebemomatime-jefugisitinawen-gezofi.pdfIn PDF document text
- http://saxotab.oceanetterrastudio.com/uploads/1/3/2/6/132681382/2597165.pdfIn PDF document text
- http://files.rise2awakenhealth.com/uploads/1/3/1/6/131606321/18187ba3edcf.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/1/0446/7025/5267/files/drivers_toolkit_license_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4393/7690/files/38551083948.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6603/1257/files/93287311648.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6587/6379/files/pdf_xchange_viewer_hide_toolbar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9647/3749/files/mega_link_generator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3555/0118/files/38839237743.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3600/0931/files/re4_bottle_caps_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1361/1413/files/53053774865.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2511/1967/files/22272571227.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2402/2690/files/linear_inequalities_worksheet_kuta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4686/9915/files/30099359051.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4574/6838/files/mokizerefe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9419/6902/files/aha_guidelines_for_sbe_prophylaxis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6849/6798/files/probability_worksheet_gcse.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_off00006948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6948 | 4888 bytes |
SHA-256: 7b0e0cb6553f1a18f0b34ace04cd0fba438533fd303432ea772f2193973dcc39 |
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font_01_sfnt_off000079d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79D2 | 11676 bytes |
SHA-256: fe1a9701d4eb8a3bedccac0d2209b22cd37eb26b9d5597ab1b8117e667000b09 |
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