MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic suggests a social engineering lure to trick the user into clicking the malicious link. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=uworld%20step%201%20pdf%20google%20drive In PDF document text
- http://files.stampgeneral.com/uploads/1/3/1/4/131483371/9747911.pdfIn PDF document text
- http://files.globalisationandcities.com/uploads/1/3/1/6/131607174/jilaxafufusekiw.pdfIn PDF document text
- http://files.thegoldharvestmusic.com/uploads/1/3/1/0/131070485/5265086.pdfIn PDF document text
- http://files.bethanysanderson.com/uploads/1/3/1/4/131482946/ginoxaron.pdfIn PDF document text
- http://files.natashasteer.com/uploads/1/3/1/4/131437953/6248808.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://kinifevo.files.wordpress.com/2020/07/marikinib.pdfIn PDF document text
- https://ramuguda.files.wordpress.com/2020/07/xabemaguguwozewax.pdfIn PDF document text
- https://rofatekarem.files.wordpress.com/2020/07/29560688892.pdfIn PDF document text
- https://xukudegexe.files.wordpress.com/2020/07/10798532215.pdfIn PDF document text
- https://xuxosasi.files.wordpress.com/2020/07/liluj.pdfIn PDF document text
- https://vasotox.files.wordpress.com/2020/07/6547550376.pdfIn PDF document text
- https://juxisaw.files.wordpress.com/2020/07/mifusowuwezezavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73768917897.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5689/7947/files/fepamome.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1714/2433/files/14295775781.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rejupabofutub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9775/9643/files/20236316508.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3932/6365/files/8290094113.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2226/2178/files/sivunobabozak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8721/6293/files/11939983107.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1234/9334/files/65208271037.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_off00006210.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6210 | 4876 bytes |
SHA-256: 82ecfdf02a2fb1b6c1d37892b1d9a284f3251a4ddb7c8aaae09da885915d8898 |
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font_01_sfnt_off000072e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72E4 | 10116 bytes |
SHA-256: aeba7a20c463315686ca1a52dc3bf499ffc841db3e70b20d643b126e7444dff5 |
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font_02_sfnt_off000095b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95B4 | 16240 bytes |
SHA-256: 3881ac036e24d18d946d46924f2e53d0ed0d4a9afaeaebdb2d2c90068baec180 |
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