MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to a redirector service, identified as malicious. This suggests an attempt to lure users to malicious content or malware downloads under the guise of a free download. The ML classifier strongly supports the malicious verdict. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.
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=programa+aprendizajes+clave+quinto+grado+pdf In PDF document text
- http://files.supportwestpotomac.com/uploads/1/3/0/9/130969772/f57eb6fa2a.pdfIn PDF document text
- http://files.alt-lifecoach.com/uploads/1/3/1/3/131382387/jabutafogijomada.pdfIn PDF document text
- http://files.stonegatefl.com/uploads/1/3/1/4/131437615/3965879.pdfIn PDF document text
- http://files.emmashugs.com/uploads/1/3/2/6/132683260/tusidukeruwom.pdfIn PDF document text
- http://files.lionhearttalent.com/uploads/1/3/1/1/131164236/1662856.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/1/0430/7995/8679/files/74729840722.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2113/9096/files/71751497236.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0011/1009/files/61860181707.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/91868946153.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fakuwonilojovaxibudebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90685913575.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6678/5949/files/zevukagosozufidodoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3050/2806/files/47097325284.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0835/8561/files/air_optix_rebate.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2564/4192/files/wedituvugifi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6015/8873/files/98941154224.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7221/6483/files/mabebowive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7963/9967/files/7872541953.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006369.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6369 | 6744 bytes |
SHA-256: 0eac1552a6a0cc8d6d43e14f5c157d052ff2bf21460314f67a2c213e0a454e63 |
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font_01_sfnt_off00007450.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7450 | 5788 bytes |
SHA-256: 1ea978b3f18654ac156364d133c17d9d13d66bd9423b387885a47a249abcf21b |
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font_02_sfnt_off000087fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87FA | 2268 bytes |
SHA-256: 2b17894289ef4ac549ca5ccbfe538e6ebde94701791c0542cba9a71f2d67f349 |
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font_03_sfnt_off0000920d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x920D | 11172 bytes |
SHA-256: 4ff13a41b3d04ab4ced6e89d8a74a2fb3e76693024a6fefdba1b10ad7d84d29f |
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