MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body itself contains the primary malicious URL, which is also listed as a link farm. The ML classifier strongly indicated maliciousness. The primary attack vector appears to be a lure to click on the embedded link, leading to a malicious site.
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/pify?keyword=ejercicios+aumentativos+y+diminutivos+3+primaria+pdf In PDF document text
- http://kerav.schweitzercustoms.com/uploads/1/3/1/4/131452922/tikowezifatutag-fizifaf-xadogevadivug.pdfIn PDF document text
- http://files.mountainlakewinery.com/uploads/1/3/0/7/130740174/xosog_wakapit.pdfIn PDF document text
- http://kisetedax.brightwoodworks.com/uploads/1/3/1/6/131607163/zaruxivodonefubeb.pdfIn PDF document text
- http://vosipawu.baarleproeft.com/uploads/1/3/2/3/132302921/roxena.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/1/0434/8031/8118/files/faxaletukakasopoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8945/3473/files/zetapisifolowus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5278/5055/files/zupaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3545/7696/files/adobe_flash_crack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2808/5912/files/miruxalurativarube.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4391/2856/files/88952478471.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9340/2524/files/26766949118.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1942/6198/files/lezavisem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4098/7543/files/the_lineman_s_and_cableman_s_handbook_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1355/3827/files/duracell_battery_charger_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6980/8535/files/71771527822.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6438/4927/files/60697314326.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7278/1478/files/3374298607.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3292/8671/files/81910609565.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_off00006db0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DB0 | 5628 bytes |
SHA-256: e83b85bf2f3057561c56df0f1b3214e8ee9fbe1df61a33b8cfeb58c1ee13eb1b |
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font_01_sfnt_off000080e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80E0 | 11204 bytes |
SHA-256: a32d6284dbcc36abc6b3c1808418b4b673aa614180b1eefd67c6414ad9ffd493 |
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font_02_sfnt_off0000a593.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA593 | 16124 bytes |
SHA-256: 25b4721464b7316f01e21ed2c3faf4040515a2c9bdaa67695c41ecc6d6989cce |
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