MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=21+sheet+street+surgery+windsor'. The document body, though partially corrupted, contains text related to '21 sheet street surgery windsor' and the malicious URL, suggesting a lure. The presence of a large number of external PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing malicious content. The ML classifier strongly flagged this PDF as malicious.
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=21+sheet+street+surgery+windsor In PDF document text
- http://files.samanthadetillio.com/uploads/1/3/1/4/131453453/8240969.pdfIn PDF document text
- http://files.truenorthmaintenance.com/uploads/1/3/2/6/132682615/wuniba.pdfIn PDF document text
- http://files.diamondpaintingconnection.com/uploads/1/3/1/6/131637016/54469954250056.pdfIn PDF document text
- http://files.fortmyerthriftshop.org/uploads/1/3/1/1/131164112/dapali-tidotalemixid.pdfIn PDF document text
- http://files.cc4cl.org/uploads/1/3/0/7/130775980/ef2002851.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/1/0438/6612/8549/files/35085086627.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3998/0710/files/kezunutovepisekofaxapave.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7990/1085/files/baxituxuda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2378/5370/files/appel_d_offre_informatique_quebec.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5397/3657/files/hallelujah_lyrics_kate_voegle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0360/8216/files/rofebafow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xuvekalododit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8702/8641/files/59344302198.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/6014/3014/files/cad_block_free_flowers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4843/5861/files/zoxozegejusi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/44419728961.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_off00006267.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6267 | 5008 bytes |
SHA-256: 2e108187953630a5e29e69b61d7caad4a267b6cec695e97dc3af57c085b063db |
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font_01_sfnt_off00007381.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7381 | 10140 bytes |
SHA-256: e1a520af876cdff488cf308baeabb227468ce23712632c4fa302f7440a16b894 |
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font_02_sfnt_off00009664.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9664 | 16092 bytes |
SHA-256: e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848 |
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font_03_sfnt_off0000ab2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAB2C | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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