MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to redirectors and SEO farms designed to obscure malicious destinations. The primary redirector URL is 'https://ttraff.com/pify?keyword=support+vector+machine+tutorial+for+beginners+pdf', which is used in conjunction with a lure suggesting a tutorial. The presence of multiple PDF links and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=support+vector+machine+tutorial+for+beginners+pdf In PDF document text
- http://tamakupef.thewhitefamilyreunionisaiahcarrie.com/uploads/1/3/0/7/130775432/jirogak.pdfIn PDF document text
- http://files.contemporarydancemethod.com/uploads/1/3/0/7/130740573/88659ff0.pdfIn PDF document text
- http://rapuva.vibeperformingarts.net/uploads/1/3/1/4/131409090/wugusulubixekebiz.pdfIn PDF document text
- http://files.duncanleighclassicalguitar.co.uk/uploads/1/3/2/6/132683017/dajewovidagisi.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/1/0428/8872/4639/files/rajulojakudiwoxewigeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4436/4710/files/pujunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/76102764406.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5486/6333/files/definition_of_science_education.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0955/5107/files/music_school_brochure.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6878/2757/files/39826398480.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5090/1402/files/87702057321.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9488/2984/files/loxagosunavazabibibaruja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/61286624564.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7728/0671/files/36251772523.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5954/3192/files/tepasivivuwuwetes.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_off000063cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63CB | 5756 bytes |
SHA-256: d5aecd2c0df0c6e9f4f594cd5b96b00877f26f80c8a391c8ce31b217bd59f697 |
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font_01_sfnt_off00007734.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7734 | 9640 bytes |
SHA-256: 54849dc786d39f60773328d90620407e91bc96fcdc364c9901c93d4953f9d9e7 |
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font_02_sfnt_off00009823.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9823 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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