MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to SEO-optimized PDF files. One prominent link redirects to a known malicious infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains keywords related to educational worksheets, suggesting a lure to trick users into clicking the malicious link. No scripts were extracted, but the PDF structure and embedded links strongly indicate a phishing or redirection attack.
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=graphing%20polynomial%20functions%20end%20behavior%20worksheet%20answers In PDF document text
- http://files.eddyfinn.com/uploads/1/3/1/4/131406049/jetuwi_mejirijifotap_sorip_dimureledu.pdfIn PDF document text
- http://files.paythepeople.org/uploads/1/3/1/3/131383764/zunigewep.pdfIn PDF document text
- http://files.villagesbmwzclub.com/uploads/1/3/0/9/130969235/1be39e0ee0.pdfIn PDF document text
- http://files.tioataparadise.com/uploads/1/3/1/6/131637074/jifodol-sunifibojaz-vijifik-webuxekuxawo.pdfIn PDF document text
- http://files.brite-technology.com/uploads/1/3/1/4/131454501/budovezazu.pdfIn PDF document text
- http://files.pvrr.org/uploads/1/3/0/7/130739766/c88adedcc.pdfIn PDF document text
- http://files.birdsongholistic.com/uploads/1/3/2/7/132740412/1197753.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://sofuvono.files.wordpress.com/2020/06/tunufonilorarulemev.pdfIn PDF document text
- https://worilivino.files.wordpress.com/2020/06/51526935041.pdfIn PDF document text
- https://tikuxulopij.files.wordpress.com/2020/07/82160469692.pdfIn PDF document text
- https://xawuzebufo.files.wordpress.com/2020/06/xigimafobasax.pdfIn PDF document text
- https://feleradizige555285528.files.wordpress.com/2020/07/35355623322.pdfIn PDF document text
- https://fafabozum.files.wordpress.com/2020/06/31764280815.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pejuzesuloroxutebed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/33540287451.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/1369814796.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49839171509.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jokopewizemaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/jufozigazagapuji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/4077026649.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_off00007495.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7495 | 5940 bytes |
SHA-256: 684cc3039242cf77a4ef8fb62c6a097d00ce864fe671dcf55596a7a6c3ee8853 |
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font_01_sfnt_off000088b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88B9 | 10112 bytes |
SHA-256: 097c24b8f9eecd831490e46a27116e77f4ebcb06d383ff695a38d57d520ee4b3 |
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