MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains text related to 'Encyclopédie catholique théo pdf' and metadata indicating it was generated by wkhtmltopdf, suggesting a lure to download or view content via the embedded links. The primary malicious IOC is the redirector URL.
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.cc/pify?keyword=encyclop%25C3%25A9die+catholique+th%25C3%25A9o+pdf In PDF document text
- http://gemixi.manitobaallshepherdrescue.com/uploads/1/3/2/6/132681352/7970330.pdfIn PDF document text
- http://files.littletheorem.co.uk/uploads/1/3/0/7/130776630/xojidifotabovefoz.pdfIn PDF document text
- http://files.tamarbranitzky.com/uploads/1/3/0/9/130968984/1301009.pdfIn PDF document text
- http://momafew.mtcwatercooler.org/uploads/1/3/2/6/132681670/8bcdbe2136.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/1/0431/4392/1820/files/online_to_autocad_converter_software_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3013/4427/files/zamarite.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4248/7972/files/anime_child_girl.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4383/1458/files/87254847431.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2758/6472/files/korusa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5833/0786/files/skyrim_ps3_cheats.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3469/8147/files/auditory_neuropathy_spectrum_disorder.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6183/0037/files/soriwubugudew.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/4827/5863/files/que_es_quimica_organica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2216/3876/files/72254437970.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5670/1348/files/lenuwu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2068/1369/files/rapolubumugetegiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5556/2398/files/dufekebirabedasalufexirub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7713/0647/files/giancoli_physics_7th_edition_solutions_manual.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_off0000629b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x629B | 5296 bytes |
SHA-256: a2b6bb8684f3ceb47e658003d23899995b93549b41fed7e1ea9a0810b7e2b535 |
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font_01_sfnt_off00007469.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7469 | 12484 bytes |
SHA-256: 8a7b0d2272d6965199d06045511683a701db04d07cb6926ccd4f39c061833e17 |
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