MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.cc/pify?keyword=asignaturas+derecho+uned+pdf', is identified as a malicious redirector. This suggests the document is designed to trick users into visiting malicious websites by masquerading as legitimate academic content.
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=asignaturas+derecho+uned+pdf In PDF document text
- http://files.glennisesalean.com/uploads/1/3/1/3/131379223/xotemazunasut_ziwovugafatut_bevino_rumefip.pdfIn PDF document text
- http://files.nmtamale.com/uploads/1/3/2/6/132695354/nelotusofogew-xojipovekajexe-jukujidodo.pdfIn PDF document text
- http://deledexe.wonderfulpowerfulme.com/uploads/1/3/1/3/131379246/roketox_jegitiri_kuditanokakowof.pdfIn PDF document text
- http://files.artandsoulmakeup.com/uploads/1/3/0/8/130813899/dc6310.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/1/0433/7316/6744/files/tejomosafujenimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/titigabibuzumazavuxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3337/0522/files/42601526633.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7273/2825/files/89447499441.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4777/8469/files/gobir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0097/7829/files/9988512029.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5244/9435/files/57271980354.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2665/3077/files/becker_cpa_exam_review_2020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8035/8811/files/pasomozo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0096/1947/files/pdf_a_word_program_full.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6220/6357/files/7089935261.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6163/9318/files/3302030860.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4041/5644/files/vufitufuburosavarudikod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6591/5032/files/i_am_discourses.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006402.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6402 | 5372 bytes |
SHA-256: 68cfdfcf28fd238c51afd4ce0ac71efc1dadb40e881c29201546c59135537fe5 |
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font_01_sfnt_off00007646.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7646 | 11616 bytes |
SHA-256: 3475d4329119b14379bdd3a568d6bcab2cb17a8936fea2a61d07a072605e2c3a |
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font_02_sfnt_off00009bd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BD4 | 16312 bytes |
SHA-256: aad9bc0f36eadc3314e08670b59090120051e308b357201f134af3d0b781b2b0 |
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