MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links designed to appear as educational material, but they redirect to a malicious infrastructure at 'ttraff.cc'. This suggests a phishing or scam attempt, likely using the document as a lure to drive traffic to malicious sites. The ML classifier strongly supports the malicious verdict.
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/wb?keyword=imperialismus%20unterrichtsmaterial%20pdf In PDF document text
- http://files.saygereviews.com/uploads/1/3/1/0/131070294/1778516.pdfIn PDF document text
- http://files.indianasal.org/uploads/1/3/0/8/130874567/xilif-kevojurine-levozejife-ronuxuk.pdfIn PDF document text
- http://files.tudublinsummerschool.com/uploads/1/3/0/9/130969639/lojegi_sidudozule.pdfIn PDF document text
- http://zudevox.zachzaitlin.com/uploads/1/3/1/4/131406717/vupiguma_zikizi_figose.pdfIn PDF document text
- http://files.makingsiliconebabies.com/uploads/1/3/2/8/132814375/4076558.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/1/0428/9835/8432/files/fejatomamegebuwugibuvu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2916/6242/files/pokemon_gold_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6499/1637/files/48477514410.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5225/3863/files/40439482249.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6225/3982/files/remove_white_background_from_illustrator.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0677/8777/files/spanish_adjectives_list_a_z.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6661/3141/files/76272699808.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4995/0111/files/18632423094.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5123/7022/files/benoit_mandelbrot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1007/1460/files/rxprep_2018_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9382/6463/files/23324288144.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2358/7736/files/pifuta.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/jigekanador.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_off00005f91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F91 | 5332 bytes |
SHA-256: d00566c40777b0c964844a2b4306371dc2f867c7e75ec13fbfafbe505e3cc640 |
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font_01_sfnt_off00007176.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7176 | 10852 bytes |
SHA-256: 248851eb19964914907dc2505aebc4c50b5b0e9cb8bad7f68a98ef237665b03a |
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font_02_sfnt_off00009552.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9552 | 16076 bytes |
SHA-256: 0b4bdbf031826b8fe301f8b6a8a1f26a7af7d7ba100a217828ecbf7a6979f704 |
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