MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link pointing to ttraff.com, which is known for distributing malware. The document body itself is heavily obfuscated but contains the same redirector URL and a large number of links to PDFs hosted on Shopify, likely part of a link farm to improve SEO for malicious content. The ML classifier 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/pify?keyword=concepto+de+ense%25C3%25B1anza+y+aprendizaje+segun+autores+pdf In PDF document text
- http://files.helpabee.org/uploads/1/3/1/4/131437885/pugitibesapaje-zuxixoginol-walazozomuro-bodedowov.pdfIn PDF document text
- http://files.fundamentaladvantages.net/uploads/1/3/1/8/131856492/44c447ae56412f.pdfIn PDF document text
- http://files.corinnekernmusic.org/uploads/1/3/2/7/132740665/aae816.pdfIn PDF document text
- http://files.stmarysalehurst.com/uploads/1/3/1/6/131606006/d4ae004bbf1ee44.pdfIn PDF document text
- http://files.reggaeclassictouch.com/uploads/1/3/2/7/132740533/mapuv_razipub_soxupidi.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/1/0436/1096/4131/files/75461566480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2110/5309/files/38832704426.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6022/3397/files/ganesh_atharvashirsha_in_bengali.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8152/2599/files/lana_del_rey_cola_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9714/4990/files/kidabexexilo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9819/3566/files/39039629886.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0639/3496/files/73053362425.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5511/9520/files/maryland_state_abbreviation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5661/7877/files/49534794022.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7767/2868/files/african_american_music_history.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9289/3093/files/refanowitebozefugibebu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5654/5433/files/56089183852.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6159/9656/files/bunn_ultra_2_parts.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000066c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66C1 | 5636 bytes |
SHA-256: 29c571765e20c9d00a6dbdd6502b85d44060415fa9ea75c403e2ea35d61b6969 |
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font_01_sfnt_off000079d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x79D2 | 10892 bytes |
SHA-256: cbb50fe4d08d4f9c8a2f61178304c376275a8d22f2337c2fe33baa04ad0716b4 |
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