MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=alagappan+clinical+medicine+pdf+free'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, including one to 'https://cdn.shopify.com/s/files/1/0435/9412/1379/files/serativozulizukobivop.pdf'. The presence of a visual download button lure further supports 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=alagappan+clinical+medicine+pdf+free In PDF document text
- http://files.louisvillehealth.org/uploads/1/3/1/0/131070678/0086c0083644d5.pdfIn PDF document text
- http://files.charmcitypetcrematory.com/uploads/1/3/2/7/132740352/jodilosorelew-tifirukulamul.pdfIn PDF document text
- http://tegopem.grangerlandrfd.com/uploads/1/3/2/7/132741100/43a2b5bff.pdfIn PDF document text
- http://bejipa.bhseducationfoundation.com/uploads/1/3/1/6/131606346/lowibofufoma.pdfIn PDF document text
- http://doxadiw.jadiparadisefarm.com/uploads/1/3/0/8/130814124/bazuxedu-pujiloxokidabun-pixepesu.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/1/0435/9412/1379/files/serativozulizukobivop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9807/0426/files/bio_data_form_for_job_application_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/pafidikowu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5324/3806/files/11885086339.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0862/9659/files/35243759851.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2275/1643/files/dusesonagujalepu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5663/5816/files/rikizijip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2023/7475/files/48486043671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2494/0184/files/basic_digital_electronics_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3492/6495/files/87192691621.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5581/6608/files/mowokumowuwuronifa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5366/1851/files/falmouth_jamaica_private_tour_guides.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000060a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60A4 | 5284 bytes |
SHA-256: 4a3de5c4dd91e6b9b7c737d790804733dd3f85338a633f6b2293b449eda8cb52 |
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font_01_sfnt_off00007281.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7281 | 10640 bytes |
SHA-256: 31a30ff9fd521cac25769b7674e5a58161ad6df829107f81035900b7505be0ec |
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