MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, with a critical heuristic identifying a link to a known malicious redirector infrastructure at 'https://ttraff.com/pify?keyword=kaplan+step+2'. The document body, though heavily obfuscated, also contains this URL and other shopify-hosted PDF links, suggesting a link farm or phishing lure. The ML classifier strongly supports the malicious verdict.
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=kaplan+step+2 In PDF document text
- http://files.jacobveritas.com/uploads/1/3/2/6/132683334/bdf7ced5ec6f79.pdfIn PDF document text
- http://files.turkishinstructor.com/uploads/1/3/1/4/131453943/kofutewabafisega.pdfIn PDF document text
- http://files.lmmsorchestra.com/uploads/1/3/2/7/132740337/d989b74c8c.pdfIn PDF document text
- http://files.yourownfm.com/uploads/1/3/2/8/132815753/xexuko-wibejivolef-fujuminigukof.pdfIn PDF document text
- http://files.argumentationtoolkit.org/uploads/1/3/1/6/131606128/famofogujositov.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/1/0428/1712/6563/files/29720164923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5329/2440/files/lopigevonowomefeteluxepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7849/2072/files/61416547110.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6167/3126/files/zusipaviju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4070/9527/files/jajudese.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9715790575.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7840/9639/files/betesetugoveximubifibodod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0407/3880/files/noxegonat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0417/4233/files/76129982817.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8954/2809/files/rewugovikonijuzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5936/3488/files/rivozejisekomofad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/11411440246.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5693/8646/files/63999763326.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7529/6677/files/nofovitozekiwazoxaweraz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5684/0350/files/14746622912.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_off00006c32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C32 | 4448 bytes |
SHA-256: 6feeec77e49cbe1ac67cec48705e954a4e51cec0067d2b41edc539c5cbacb2ab |
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font_01_sfnt_off00007b53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B53 | 10904 bytes |
SHA-256: 33a7f2654574a40ecf1b072fe914a82063e746e640c16272456d9bb7e4bf3295 |
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font_02_sfnt_off0000a059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA059 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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