MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, with the primary one leading to a Shopify domain. The document body, though heavily obfuscated, contains text related to 'examen de matematicas primer grado p' and the wkhtmltopdf tool, suggesting a lure to disguise the malicious intent. The primary malicious URL is 'https://ttraff.com/wix?keyword=examen+de+matematicas+primer+grado+p'.
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/wix?keyword=examen+de+matematicas+primer+grado+p 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/1/0434/6563/8050/files/simplesmente_acontece_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0623/7604/files/71454933129.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0888/3870/files/29417603525.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4253/6598/files/24152666090.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2014/1223/files/77557540643.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0523/8688/files/alfonsina_storni_poemas.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_3bb1240c36df4070a09f433bd2f94fb8.pdfIn PDF document text
- https://static.usrfiles.com/ugd/2b3f46_64bc60f7f3634f2f988b14e7b7dfd3cc.pdfIn PDF document text
- https://static.usrfiles.com/ugd/8ba634_ba4f90fbbb2d4aa68afe3fa66aedb5e4.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_63be9aad80654b8fbedc3e38fa9dc152.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_1779f72805b5484d8595fa4a2d796370.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_2e001332d39b4cd69e54935833f64099.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_946e224b9e224da3ba33e5d7e7495b8f.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_c025833d1d234c23969e4c6b46ed53dd.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_95e3fd9b63754def9f9f155dcc2c4c7c.pdfIn PDF document text
- https://static.usrfiles.com/ugd/07625c_6bae7d810f234ea08e31210ff9b96dae.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_off00005178.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5178 | 5384 bytes |
SHA-256: dd6be07290cb90896275e027bc7c263bc9bcb0abc30f12c6f3138b34e9d50e4b |
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font_01_sfnt_off000063b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63B5 | 14640 bytes |
SHA-256: 4e851a9299819c492281345a7941eb45eb1c99cafa6c333a8425d5397620fee9 |
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font_02_sfnt_off00008fb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8FB0 | 16124 bytes |
SHA-256: 073dee480399a0a44f59834a72d2ef372219071628d3787cc95d902351e1adc0 |
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