MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service, indicating a link farm or phishing attempt. The primary redirector URL is identified as malicious. The document body, though obfuscated, contains the same redirector URL and benign-looking PDF titles, suggesting a lure for free content that ultimately leads to malicious infrastructure. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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=angulos+inscritos+en+una+circunferencia+ejercicios+resueltos+pdf In PDF document text
- http://files.ku-iraqueer.org/uploads/1/3/1/4/131437056/vaderirixum_pixigozulinu_sekivujeb_tedevaxovilat.pdfIn PDF document text
- http://files.blancheguernsey.com/uploads/1/3/0/8/130813557/guvadafozokobakakisu.pdfIn PDF document text
- http://files.wallaceclassroom.com/uploads/1/3/0/7/130775760/e814df96db85.pdfIn PDF document text
- http://vixupo.lagunaniguelcarpetcleaning.net/uploads/1/3/0/9/130969772/4070969.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
- https://cdn.shopify.com/s/files/1/0429/1375/9395/files/4370719436.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2962/6017/files/75167321193.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/6376/7203/files/microelectronic_circuits_7th_edition_solutions_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3905/5258/files/64747695417.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4686/3005/files/78255094166.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1543/0559/files/gobudefoxifoxin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/1787/5110/files/bronkopneumonia_adalah.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8701/0715/files/56189448888.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5180/3033/files/rikebuzebifupa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2398/3001/files/nerukobufazubaruvurasurax.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8651/9208/files/foxoruwozepinevoru.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006084.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6084 | 2208 bytes |
SHA-256: 5cbedcda38578e3de563c3337e923fa6734d4cc2cd8e6155bcf395d6c53fc43e |
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font_01_sfnt_off00006a7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A7F | 5388 bytes |
SHA-256: 102a73c33513f75b3a2f3eb36a2dbeabc4ae27f0faa6cae143a262648fd8bfa9 |
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font_02_sfnt_off00007cf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CF5 | 14960 bytes |
SHA-256: 65c67d971d9361574cd9a75382beb3a21098bb4f4dbe7a25495ef0228bd1a817 |
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