MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a significant number of embedded links, with a critical heuristic firing for a malicious redirector. The majority of these links point to a large collection of PDFs hosted on Shopify, suggesting a link farm or SEO manipulation tactic. One of the embedded URLs, 'https://ttraff.com/pify?keyword=trasplante+haploidentico+de+medula+osea+pdf', is flagged as a known malicious redirector. 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=trasplante+haploidentico+de+medula+osea+pdf In PDF document text
- http://files.moderndayparablesrcf.com/uploads/1/3/0/7/130739510/zuragogina_zamuf_basurumawal.pdfIn PDF document text
- http://files.sassysewingandembroidery.com/uploads/1/3/1/4/131437061/tuvuzuj.pdfIn PDF document text
- http://files.wolfcitydesign.com/uploads/1/3/0/7/130740522/disojepa-zejifuvuv-godedoveda-kedame.pdfIn PDF document text
- http://zebawaf.personalbaggagestyle.com/uploads/1/3/2/6/132681233/1336104.pdfIn PDF document text
- http://files.revolutionyouth.ca/uploads/1/3/0/8/130813409/316222e.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/1/0430/6858/8194/files/aleister_crowley_de_arte_magica.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8981/3909/files/67021534302.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7926/1590/files/rupiwodamejovakulapog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6412/3814/files/arban_complete_method_trumpet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1268/4967/files/graph_paper_background.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1880/3607/files/nisemize.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7462/4419/files/glencoe_pre_algebra_textbook.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8346/3832/files/wixajawoti.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3767/0041/files/banekukitimu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9313/1425/files/70053769682.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5806/9655/files/are_you_pondering_what_i_m_pondering.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8560/1695/files/10946738210.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_off00005487.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5487 | 5344 bytes |
SHA-256: 74ccbcf14a0156c239bde8f6fdc827eca7a9b10e749594c7b00e891e739a8701 |
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font_01_sfnt_off00006680.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6680 | 10840 bytes |
SHA-256: 897254287233f9a81b2025cc18692bfac9fafa4e85f4844a8b601564f54ca23c |
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