MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'aua guidelines non muscle invasive bladder cancer' and the URL 'https://ttraff.cc/pify?keyword=aua+guidelines+non+muscle+invasive+bladder+cancer', suggesting a lure to a malicious site. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of outbound links, further supporting the malicious intent of directing users to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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.cc/pify?keyword=aua+guidelines+non+muscle+invasive+bladder+cancer In PDF document text
- http://files.schoolcafeclub.org/uploads/1/3/0/7/130775837/67d1455.pdfIn PDF document text
- http://files.whitethornequinehealth.com/uploads/1/3/0/7/130775373/laxebudamepawe-bufamadelilexon.pdfIn PDF document text
- http://depobap.prodigalsonsinc.org/uploads/1/3/0/8/130874474/kozarezipoxud_totopokadeb_jukiwobaj_lekikukulusat.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/1/0428/5582/5567/files/24251133208.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7105/2703/files/3171903744.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0948/1624/files/lagufetalapisemer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/pibukusekofafujil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6992/1690/files/vivezeburitaxafuxad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4107/1016/files/electronics_projects_books_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8298/1281/files/bevizu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2358/0830/files/free_academic_journals.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/20424522606.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9730/6776/files/93744785464.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6832/6042/files/hernia_abdominal_pediatria.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5355/5610/files/adjectives_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0665/6666/files/85156440151.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000101d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D2 | 5448 bytes |
SHA-256: 0abc27255a18d58fc476ffef41c3f473013b1b7bbbe870c6b3baf8dd99122ea3 |
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font_01_sfnt_off00011440.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11440 | 13056 bytes |
SHA-256: abcfa79c7156677fac5af9a7a1c6af40e38aac42f9c401830c5efb35cf9202a8 |
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font_02_sfnt_off00013d93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D93 | 16132 bytes |
SHA-256: 06d84a79787f49517cba9647d12dd77c675544b9e46e70dbd0c3ec2b8d2a160e |
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