MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious due to a high number of embedded links pointing to redirector infrastructure. The primary malicious URL identified is https://ttraff.club/wix?keyword=xem+bong+da+tv+apk, which is likely used to lure users to malicious sites. The document body contains garbled text but also includes the malicious URL and several benign Shopify URLs, suggesting a link farm strategy.
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.club/wix?keyword=xem+bong+da+tv+apk In 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/1/0432/6971/8182/files/47681691411.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4488/6945/files/dmv_permit_test_questions_and_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1424/9886/files/nazasazopivo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3706/4344/files/minugosafutirafalesi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6374/5441/files/manualidades_reciclaje_de_botellas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1739/4586/files/tebunasupezerugamibitin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4211/9592/files/36260098483.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4209/2694/files/74988891248.pdfIn PDF document text
- https://static.usrfiles.com/ugd/b8c837_9457d1d0d431470e8844057789c5ded9.pdfIn PDF document text
- https://static.usrfiles.com/ugd/65e777_30dc08cb1bbc4bb48590717634c1aac0.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0745/1041/files/batik_in_sri_lanka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6598/0581/files/lijefejomapijalotaxaru.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3671/0824/files/dilabifabumuretobam.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_off0000474f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x474F | 3136 bytes |
SHA-256: 95b8098a4042feaabcbc2eb97379a5d053fb975780bc29df41deb7d226d425c1 |
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font_01_sfnt_off0000527b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x527B | 5216 bytes |
SHA-256: 91f51e838b57d9fe425b9a87fd8c8028a157627c56964ec31aa9293cab0f75cd |
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font_02_sfnt_off00006431.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6431 | 10072 bytes |
SHA-256: a965177a0b069c07e8c2f54de8f4846b7ef8c1809dcbad11b65e54649d92d3c9 |
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font_03_sfnt_off000086ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86EA | 16036 bytes |
SHA-256: 9559dd1bd908241551916101fda3d445a26f5c4b506a1423f23393456f9d5940 |
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