MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The presence of a 'download button' heuristic and a large number of embedded links further supports a phishing or scam attempt. 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/pify?keyword=cbse+class+12+computer+science+syllabus+2020+20+pdf In PDF document text
- http://files.hanssempacific.com/uploads/1/3/0/9/130970016/nenixazokas_vewavonoli.pdfIn PDF document text
- http://files.sisibcp.com/uploads/1/3/1/4/131410370/47e11ab67996.pdfIn PDF document text
- http://files.snap-happy.net/uploads/1/3/1/3/131384368/f6a495421ddec4a.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/1/0431/6309/1112/files/midagesaxowo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8330/8955/files/bixudavodanitaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/taridulozomoxekolakinuku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5082/7929/files/26433628482.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1324/9946/files/pedisusubarami.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6971/8182/files/daligezazadudazisofevapop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7641/8713/files/26869275775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7142/2102/files/piraxodutudi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6173/0719/files/nefijokepusubezivurugik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/69281285374.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/78549170372.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/5306/2046/files/pafavapugirewaminilaxu.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_off0000989c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x989C | 5772 bytes |
SHA-256: 57f6588f63e104c6998885ed516e2951d0fefdfb66dedda2428ec370fb1149b7 |
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font_01_sfnt_off0000ac29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC29 | 6568 bytes |
SHA-256: 4e583b278a76d70d3ff67b94cffb7285acc03afe7689526d59afdd0e66437bd7 |
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font_02_sfnt_off0000beba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEBA | 10340 bytes |
SHA-256: fb84878675dccb79498653b443ecf4d6c2456c751dceccefaca8ad7bab853737 |
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font_03_sfnt_off0000e238.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE238 | 17492 bytes |
SHA-256: e6236245b1b519c90993a0a0decb83651aa70bd3eb3f1615240c4a875e4479e0 |
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