MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/pify?keyword=fisiopatologia+de+insuficiencia+cardiaca+pdf+2020', is designed to redirect users to malicious content. The document also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm for SEO poisoning or traffic generation. The presence of these links indicates a social engineering attempt to trick users into clicking through to potentially harmful sites.
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.cc/pify?keyword=fisiopatologia+de+insuficiencia+cardiaca+pdf+2020 In PDF document text
- http://files.okraa.org/uploads/1/3/0/9/130969059/powizavada.pdfIn PDF document text
- http://files.sharonharveyphotography.com/uploads/1/3/1/6/131636954/jitej.pdfIn PDF document text
- http://bifotatu.mitzlafftrading.com/uploads/1/3/2/7/132710714/wesopit.pdfIn PDF document text
- http://files.thirstforknowledge.ca/uploads/1/3/1/4/131438137/6440945.pdfIn PDF document text
- http://files.teambuildingdays.org/uploads/1/3/0/7/130738836/3b1bb4186c.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/1/0432/3590/1602/files/febufuwopijuwifatokel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2760/3354/files/metallica_enter_sandman_tab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/37629755229.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0455/2966/1605/files/escabiosis_tratamiento_en_nios.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3947/3314/files/sukurovetogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0446/4692/4451/files/postpartum_depression_assessment.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1879/7724/files/additional_mathematics_o_level_book_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7522/1144/files/86716652555.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6353/2951/files/gas_dynamics_3rd_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/6234/0258/files/beekeeping_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6489/3345/files/nopugubumuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1161/8462/files/sausage_party_full_movie_watch_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6204/2529/files/the_shah_abbas_milani_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9027/9574/files/1867281065.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
- https://doi.org/10.36660/abc.20190111In 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_off00006652.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6652 | 5552 bytes |
SHA-256: 7f0bd3e67537afe464926b1a5e0050c81a36b16bbe882b5267b914a57b657fb6 |
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font_01_sfnt_off0000794a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x794A | 11216 bytes |
SHA-256: 3fa750b082363c31522ed71633ec58a1ed9895ec58f4d12d7bf32dcabb1fc887 |
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