MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.ru/pify?keyword=benim+hocam+ayt+edebiyat+ders+notlar%25C4%25B1+pdf', suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains text related to 'benim hocam ayt edebiyat ders notlar1 pdf' and the wkhtmltopdf application, indicating a lure to download educational materials which redirects to malicious infrastructure.
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.ru/pify?keyword=benim+hocam+ayt+edebiyat+ders+notlar%25C4%25B1+pdf In PDF document text
- http://files.thebasicsuburban.com/uploads/1/3/0/9/130969051/sevopinozazu.pdfIn PDF document text
- http://files.compusoftcanada.com/uploads/1/3/0/7/130775934/588091.pdfIn PDF document text
- http://files.healthempoweredyou.com/uploads/1/3/1/0/131069886/bulosetisejinojogaj.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/1/0432/0677/0849/files/69785486160.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6271/2734/files/nevor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/tetukipizoxalunol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3593/5388/files/60683670872.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/9818/3582/files/catalyst_characterization_techniques.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4758/2870/files/armnicas_en_sistemas_elctricos_industriales.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/golang_iterate_over_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0521/3847/files/vexetum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9964/3286/files/tigufos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4066/9849/files/zuroritosebojerige.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1750/1853/files/esl_possessive_adjectives_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5106/5243/files/kuralivosoparefefidanol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0210/9856/files/sixazedimeleresipifin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8792/1313/files/60409543448.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004b56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B56 | 5504 bytes |
SHA-256: ae44314fe830d5230d4f133a1da21844a2cd50a2eb95cf9de47f33bc8f844afa |
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font_01_sfnt_off00005dd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DD4 | 11740 bytes |
SHA-256: 38226793f67950737b39f2406e5cd9b65cae8787b2c0a86350b067217e0d9369 |
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font_02_sfnt_off000082eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82EB | 16344 bytes |
SHA-256: f3b95f1269985bafc3dfb9b5b35e76df8a4d57039a143c013aed99c7cf3a4a89 |
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font_03_sfnt_off00009864.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9864 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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