MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, including a prominent one to `https://ttraff.com/pify?keyword=arijit+singh+songs`, which is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL. The presence of numerous external PDF links, many pointing to Shopify domains, suggests an attempt to create a link farm for SEO manipulation or to host further malicious content. The ML classifier also strongly indicated maliciousness.
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=arijit+singh+songs In PDF document text
- http://files.choosehadley.org/uploads/1/3/1/3/131381288/xowalizeseg_sixipaxupuxo.pdfIn PDF document text
- http://nowela.kahuiakokimotueka.com/uploads/1/3/1/4/131407995/3201637.pdfIn PDF document text
- http://files.merivaki.com/uploads/1/3/1/3/131379718/1688770.pdfIn PDF document text
- http://files.dianedildineart.com/uploads/1/3/1/3/131382696/lugabiligeb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8683/1004/files/nowoze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1692/0996/files/romevapiwuratup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7314/2935/files/go_with_microsoft_office_2020_volume_1_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6041/9989/files/babimugavarekofixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0056/9751/files/lesilexuximeze.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4539/5359/files/acceptable_forms_of_identification_for_real_id.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0147/1388/files/letokupadixedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4456/8216/files/construction_company_portfolio.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1593/7948/files/ct_ni_file_min_ph.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/vimesaniseborobi.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_off00011785.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11785 | 4768 bytes |
SHA-256: 07ccff338b8070a6a02bf2de31289040314e36818fd0332075817fb62339f570 |
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font_01_sfnt_off000127b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127B7 | 10408 bytes |
SHA-256: 748a37b57a24610cbb0ebb34dbe6ec880e8e8976f3d0b2356dca7fd8d888e941 |
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font_02_sfnt_off00014b5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B5D | 16164 bytes |
SHA-256: e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6 |
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font_03_sfnt_off000160b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x160B0 | 5928 bytes |
SHA-256: e784e91fa07d3fe06a786de32ce3c91fa802310c3a8bf914d5d5afc71e0b667d |
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