MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to a redirector service. The primary malicious URL identified is https://ttraff.ru/pify?keyword=statistical+quality+control+eugene+grant+pdf, which is flagged as a malicious redirector. The document body, though partially corrupted, also contains this URL, suggesting an attempt to lure users to malicious content. The ML classifier 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.ru/pify?keyword=statistical+quality+control+eugene+grant+pdf In PDF document text
- http://fuzif.appleseedsquares.com/uploads/1/3/1/4/131407089/wifinasulitozuketaj.pdfIn PDF document text
- http://files.cartooncaveman.com/uploads/1/3/1/6/131607029/5432260.pdfIn PDF document text
- http://files.atlanticconfederationofclubs.com/uploads/1/3/1/4/131454373/2f7cf6da4d0.pdfIn PDF document text
- http://files.firstgradebobcats.com/uploads/1/3/0/8/130814630/lidabapate-govoxezurito-gizimeli-gifotubagu.pdfIn PDF document text
- http://memagozir.patrickgfahey.com/uploads/1/3/1/3/131383314/sazetomojo.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/1/0431/9477/7760/files/7962979786.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3110/8503/files/diagnostico_de_carcinoma_basocelular.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6375/3369/files/canara_bank_atm_card_application_form_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2875/0234/files/44933811559.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9829/9813/files/gupewegezeparis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5843/8056/files/34131295529.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1187/3688/files/difference_between_anova_and_t_test.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4008/0021/files/princpios_da_administrao_pblica_resumo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5593/8720/files/jomopifoduzifoninuvakux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2553/6936/files/biochemistry_final_exam_questions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8197/3416/files/76374754178.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8860/1503/files/gitalafefulomogovoxudilop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7447/6440/files/89632759083.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_off00004b54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B54 | 5652 bytes |
SHA-256: 569e57a0f0a474e46e22f7e941e6d6a75db2220f4ebcbaaffd48a94a0ee4842b |
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font_01_sfnt_off00005e99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E99 | 10448 bytes |
SHA-256: 6daa387183632de3df1be4e5a93b77241f73c8a8765bc827bee79def607c0f64 |
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