MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document contains a large number of embedded links, with one pointing to a known malicious redirector. The document body itself is heavily obfuscated and appears to be auto-generated content, likely to serve as a lure for SEO manipulation or to host a link farm. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be directing users to malicious infrastructure via the embedded links.
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.com/pify?keyword=pharmacology+of+anticancer+drugs+ppt In PDF document text
- http://files.lesliemcgeaghhypnosis.com/uploads/1/3/2/6/132695445/6947614.pdfIn PDF document text
- http://files.dangerday.com/uploads/1/3/1/3/131383247/tavefobefuridad-kenavaxo.pdfIn PDF document text
- http://kojexem.chasingbears.com.au/uploads/1/3/2/7/132740480/sidezixok.pdfIn PDF document text
- http://raxalabo.thelabdesigngroup.com/uploads/1/3/0/7/130775027/xezuwabefadofe.pdfIn PDF document text
- http://tutabedot.stage2screen.com.au/uploads/1/3/0/9/130969465/devina_liram_rakuwepoda_jibeginifujemo.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/1/0428/9980/0217/files/runumatiginofokapekaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8644/4696/files/digital_storage_oscilloscope_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3467/3301/files/chabot_lake_fishing_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6556/5589/files/81184654143.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5733/9816/files/bifasugoku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2351/5294/files/equations_of_straight_lines_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0521/3847/files/carnatic_music_notes_in_telugu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5238/3902/files/boyer_biochemistry_laboratory.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4424/9504/files/gaxojok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/1059/2668/files/apocalyptic_literature.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4290/6007/files/metabolismo_de_lipidos_en_rumiantes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8381/7375/files/6436626714.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7611/5863/files/rekewarozateduwuzadamo.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_off00007055.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7055 | 5672 bytes |
SHA-256: f9e1a51d0e2874a44412de04a3e75984b61902ff13cd9c5734e7439ad40e3ea0 |
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font_01_sfnt_off0000837b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x837B | 9972 bytes |
SHA-256: 58168fe4596742a5dc1c39c9701db420325e4b92aaed57dafffa817b24cba354 |
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