MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass external link farm, with a primary malicious redirector URL embedded within the document body. This URL, https://ttraff.com/pify?keyword=arithmetic+sequence+word+problems+with+solutions+pdf, is designed to lure users into clicking it by appearing to offer solutions to arithmetic sequence word problems. The document's structure and embedded links strongly suggest a phishing or malware distribution attempt.
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=arithmetic+sequence+word+problems+with+solutions+pdf In PDF document text
- http://files.northrec.org/uploads/1/3/1/4/131437689/0c3afc7.pdfIn PDF document text
- http://files.ellenlisajones.co.uk/uploads/1/3/0/7/130776088/xewugigofi.pdfIn PDF document text
- http://gazuvuz.wainfleetskating.ca/uploads/1/3/2/3/132303382/ropavi_nafoz_totowifo_fufes.pdfIn PDF document text
- http://files.backyardheavens.com/uploads/1/3/1/3/131398022/gasov.pdfIn PDF document text
- http://debuwe.mariamorjane.com/uploads/1/3/0/7/130775219/e7e1ff6836a7.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/1/0431/9910/3136/files/1490041797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6930/1151/files/vamupud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0663/7726/files/jopisasosuni.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3487/7847/files/30774423008.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4993/3208/files/69702367443.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5476/8021/files/61425893572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6823/5682/files/jiguretopiwelevik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4926/8886/files/71683533307.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6230/5702/files/26029145228.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4818/1666/files/xagudawudupojamejiwifila.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0231/3373/files/bejokepuzivizuwif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6042/7928/files/65223199345.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4203/7150/files/lowes_bluffton_sc.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_off0000bc4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC4C | 2828 bytes |
SHA-256: 4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9 |
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font_01_sfnt_off0000c647.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC647 | 5532 bytes |
SHA-256: e5a637b022dbb99d189960e64fc4cc2d27a4c2b6a5933c9d4aab7c76e0ca5d16 |
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font_02_sfnt_off0000d8fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8FC | 9964 bytes |
SHA-256: daadec6e950c73937a05a9fab3e145d7fdc1b7debf41506f9773bc1ff2dd2920 |
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