MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body, though heavily obfuscated, contains the same redirector URL and other PDF links, suggesting a link farm or phishing lure. The ML classifier also strongly indicated maliciousness.
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.com/wb?keyword=kurzschrift%20lernen%20pdf In PDF document text
- http://winubegir.mclactation.com/uploads/1/3/0/7/130775607/nadopuvaz.pdfIn PDF document text
- http://munul.armandalegmusic.com/uploads/1/3/1/6/131606289/vekeworuwes.pdfIn PDF document text
- http://zunumase.emedicalsol.com/uploads/1/3/1/3/131398091/7740878.pdfIn PDF document text
- http://files.anchorcounselingwellness.com/uploads/1/3/0/8/130873893/5517988.pdfIn PDF document text
- http://zinet.nic-hunter.com/uploads/1/3/1/0/131070841/5601128.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/1/0434/7641/8713/files/vevorolilumixarufanukum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3450/7426/files/bixopad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9187/7283/files/xosafezeniladadara.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1162/1543/files/54203019671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1763/3949/files/68168172699.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nitopufekuriwuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6309/9040/files/samafasuzijaput.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8862/5316/files/98135308939.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2340/8032/files/menitovef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/0928/0933/files/addressing_modes_in_assembly_language.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4489/6917/files/76916192807.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2745/6419/files/getadugumefuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4583/8239/files/88293441713.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000609a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x609A | 4824 bytes |
SHA-256: ee1203ba63bb253e75fa2a3aeea81674a905280e8774c25b6c76cc6d3cbd4a7c |
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font_01_sfnt_off000070fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x70FD | 11068 bytes |
SHA-256: 54412a06e1447720caf40d92212c930bff0489eff42eb4732a565e9ab7619c5f |
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font_02_sfnt_off00009547.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9547 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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