MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, with one identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body appears to be obfuscated or corrupted, but the presence of the URL and the heuristic firings suggest a likely intent to redirect users to malicious content or to manipulate search engine results through a link farm.
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=alexandre+desplat+new+moon+sheet+music In PDF document text
- http://files.coffershousingsolutions.com/uploads/1/3/2/6/132695213/bazajab-dateruripol-jesewagij.pdfIn PDF document text
- http://files.lbjixxerstudio.com/uploads/1/3/1/0/131070525/9f22f.pdfIn PDF document text
- http://files.trinitybergenlutheranchurch.org/uploads/1/3/1/3/131379320/7210037.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.thdl.org/http://www.thdl.org/TibetanIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5049/2316/files/wawimumilixiboravibezoluw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5681/6540/files/tepisa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3041/2453/files/54843059207.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7841/8583/files/gajobewuditopubok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7235/4459/files/sonenazilulenowebekoraguk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1437/4054/files/93054705621.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7704/2337/files/grams_moles_calculations_worksheet_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2436/7262/files/apollonio_rodio_argonautiche.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8719/9394/files/1101293795.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6073/1799/files/getoxesoguroxowuda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3425/5265/files/auralic_aries_g1_user_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
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlTibetanIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61F4 | 5872 bytes |
SHA-256: ea5efac7988dc21edb116e7cc40fcceaf055abf5fc05e2ce1c6821bd108eef8e |
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font_01_sfnt_off000074eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74EB | 5460 bytes |
SHA-256: 03c82cdcf7c01be3daea9aaf73460b6f5a00babb1c54e16233ebd4aa548b30f6 |
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font_02_sfnt_off00008764.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8764 | 8544 bytes |
SHA-256: b31d161f5bfc3e8e7dba903abe8a9fdd68bef64beecc0c78f8d4e3740a8fd419 |
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font_03_sfnt_off000097f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x97F3 | 9768 bytes |
SHA-256: 700b36260cb7a7abaadc8863b412cb0224f91b3fa8f0fb1bec20eb91886f90bb |
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