MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a link farm and a redirector URL, indicating a phishing or scam attempt. The primary malicious URL identified is https://ttraff.com/wb?keyword=ejercicios%20de%20divisibilidad%20y%20numeros%20enteros%202%20eso%20pdf, which is likely used to distribute further malicious content. The document body itself is heavily obfuscated and contains embedded URLs, further supporting the 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.com/wb?keyword=ejercicios%20de%20divisibilidad%20y%20numeros%20enteros%202%20eso%20pdf In PDF document text
- http://files.littlechalkhouse.com/uploads/1/3/2/7/132712015/sagukapaneveru_pizepe_namewoj.pdfIn PDF document text
- http://files.kapsi-cac.com/uploads/1/3/0/9/130969920/0a4a7.pdfIn PDF document text
- http://xiwebu.roanokevabahaicluster.org/uploads/1/3/0/7/130775052/vozum_liloranitezaw_rulapep.pdfIn PDF document text
- http://xurarubes.100daysofworkouts.com/uploads/1/3/1/3/131383790/pebowejuruwunetu.pdfIn PDF document text
- http://files.mrgrenier.com/uploads/1/3/1/0/131070689/nonazisipaze-gatot.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94192334972.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3506/5505/files/free_printable_bubble_letters.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7345/1670/files/ligoju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7397/9043/files/4706662185.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1003/9719/files/91654454609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9078/8000/files/apollinaire_alcools.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0401/0389/files/bhagavad_gita_tamil_book_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8093/1733/files/29826797886.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/reden.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6509/8908/files/27534439121.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7923/6773/files/27771919315.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2651/3048/files/33434402633.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_off00008a7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8A7D | 5648 bytes |
SHA-256: 225d29e04d21b0a8d75491b061397ace85b9c89b6dc94ebabbd044a7601388aa |
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font_01_sfnt_off00009da5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9DA5 | 11428 bytes |
SHA-256: 4aa694ca4334778332f34b09e67d6d5da86942d77758b1b13af05ffd2a238e3b |
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font_02_sfnt_off0000c2ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2EC | 4324 bytes |
SHA-256: ad623bc7c681097dfa1224999cf6cc6072d3ca9a137655dc1129b0261f0b357c |
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