MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a malicious SEO link farm, specifically `https://ttraff.com/pify?keyword=priority+queue+algorithm+in+data+structure+pdf`. This technique is often used to disguise malicious content and is associated with phishing or malware distribution. The ML classifier strongly indicated maliciousness, and the PDF structure itself points to a link farm.
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=priority+queue+algorithm+in+data+structure+pdf In PDF document text
- http://files.teohanga.co.nz/uploads/1/3/0/7/130776821/6443791.pdfIn PDF document text
- http://files.embraceyouressence.org/uploads/1/3/1/0/131069764/memibov-verukebaf-redol.pdfIn PDF document text
- http://gezozekes.garnerfarmfresh.com/uploads/1/3/0/9/130969060/dexik.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/1/0432/2063/1720/files/fudevaju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4395/3567/files/93468457176.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0625/4494/files/gedivikuzonitokuruju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7853/3791/files/26881968597.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9875/8567/files/sitiviruk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0724/4450/files/38384829152.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9812/1119/files/95958589834.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zeranosorijajigafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8221/1735/files/zojugozotuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8035/8811/files/4028738471.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8145/0147/files/23416843941.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4196/2649/files/71620564721.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6248/5407/files/47159908508.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b6c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6C6 | 16884 bytes |
SHA-256: 702409a5dc9ad734e93737c3d7340a74a051abe73aa810dc3af262c7070a1fd4 |
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font_01_sfnt_off0000ecb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB4 | 5796 bytes |
SHA-256: 07bb729b0a956610b8925590be2c58aa8e91383ccba970100ad851085303950f |
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font_02_sfnt_off0001004c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1004C | 14492 bytes |
SHA-256: 127f97e3a2835ffc360de027a99a0031713e913dd7ae5f71a1f4b07a0529cec0 |
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font_03_sfnt_off00012e0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E0B | 16532 bytes |
SHA-256: bf8ddf40a50930da14fac0122bf8c33235b606e88723a31516bd6b166a7521ce |
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