MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many of which point to a link farm designed to distribute SEO-optimized PDF documents. One critical heuristic identified a link to a known malicious redirector infrastructure at `ttraff.com`. This suggests the document's primary purpose is to redirect users to malicious content, likely for phishing or malware distribution. No scripts were extracted from this sample.
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=anatomia+macroscopica+del+sistema+nervioso+central+pdf In PDF document text
- http://files.getfitnation.org/uploads/1/3/2/6/132681824/gusinabope.pdfIn PDF document text
- http://files.cogitojiujitsu.com/uploads/1/3/1/4/131438604/nalisapimod_nivogujadijex_pagegebesiniwet_tulolaruwerapu.pdfIn PDF document text
- http://files.homeschoolclick.com/uploads/1/3/1/3/131384605/xajexifijaj.pdfIn PDF document text
- http://files.gracpiacenza.com/uploads/1/3/0/8/130814121/jilevalunelelatu.pdfIn PDF document text
- http://files.twhstheater.com/uploads/1/3/2/6/132681783/dugiwumiv.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/1/0430/9244/3303/files/33744563602.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0550/1852/files/official_guide_gmat_2016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6243/5739/files/50369553736.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8918/3398/files/66535566126.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6713/8470/files/podoravetabunepujipasaxil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0206/1215/files/the_aviary_cocktail_book.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7194/6398/files/folovigopujolamuvosoze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0800/0163/files/new_cabinet_ministers_of_telangana_2018.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6769/5511/files/pibib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1020/3556/files/cantaloupe_island_tabs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3510/7233/files/mikejenisaruwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3373/9932/files/sodesapamabutoxeneginot.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_off00007d94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D94 | 5140 bytes |
SHA-256: f2974c9fec23e73694591f237ebbc588ba4961a41586f6e3807b0b95827b1c46 |
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font_01_sfnt_off00008ef2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EF2 | 11552 bytes |
SHA-256: 01d77b7a56d784d523e3534109619ada606a253868c54c6855bff5e00d7dc077 |
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font_02_sfnt_off0000b48a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB48A | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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