MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.cc/pify. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect users to malicious content under the guise of providing a free PDF. The ML classifier strongly supports the malicious nature of this document.
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.cc/pify?keyword=smoothies+recipes+for+weight+loss+pdf In PDF document text
- http://files.mysmileprogram.com/uploads/1/3/0/8/130873758/vapujezolode-mupowirijugokun.pdfIn PDF document text
- http://files.tassaace01.com/uploads/1/3/2/7/132740930/vamiwibogi.pdfIn PDF document text
- http://files.arnprioranimalhospital.ca/uploads/1/3/0/7/130740517/a30d1b44.pdfIn PDF document text
- http://koredekek.reiver.life/uploads/1/3/2/6/132682787/9465538.pdfIn PDF document text
- http://files.christ-presbyterianchurch.org/uploads/1/3/1/3/131378923/fabuwugajakizer.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/1/0429/8371/9071/files/darth_plagueis_livro_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8212/8283/files/17809561948.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9923/5228/files/zutugetorexeforiputus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2793/1029/files/biwufujuduwegix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/88075317933.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8982/1845/files/32760518478.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8616/7702/files/partitur_sing_alleluia_to_the_lord.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9526/8264/files/94725124061.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8512/8099/files/anatomy_and_physiology_coloring_workbook_chapter_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2127/9138/files/54969600499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2857609843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1466/5886/files/zigukafapajemorako.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/9827/9841/files/bed_bath_and_beyond_mission_statement.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_off0000957c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x957C | 5552 bytes |
SHA-256: e882c30c9eaa740339b1f513e8e933d0322f49198629f566905732aa47e9dedc |
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font_01_sfnt_off0000a84f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA84F | 10260 bytes |
SHA-256: 38e2314f5fdb86aae94bec9c842d0a380dda785e7a331be751e4cfcb1ea03d1e |
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