MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. This suggests a phishing or scam attempt, using a seemingly innocuous topic ('Binet s formula pdf') to entice clicks. The PDF structure and the presence of many external links indicate a link farm or redirection strategy to obscure the final malicious destination.
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=binet+s+formula+pdf In PDF document text
- http://files.stevewestgroup.com/uploads/1/3/0/7/130775848/4a0d870.pdfIn PDF document text
- http://files.riverdaleridge.com/uploads/1/3/0/7/130775744/94bdb8.pdfIn PDF document text
- http://lifujeme.buddhismhotline.com/uploads/1/3/0/9/130969045/dogozikiru-kagodes.pdfIn PDF document text
- http://votepu.erinridgeaalhoa.com/uploads/1/3/0/7/130775971/6953890.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/1/0432/6821/0852/files/attorneys_fidelity_fund.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0364/0984/files/76764668401.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6598/9528/files/libro_base_de_datos_sql.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7937/6798/files/prime_number_generator_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3830/8512/files/cambridge_medical_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5486/6333/files/joxunedutivafet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4463/2738/files/allahabad_university_llb_entrance_syllabus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3283/8298/files/sogoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2528/5798/files/zalexofijeluwovavupuso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5666/8573/files/81518665314.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3095/3627/files/alef_bet_song.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7845/8275/files/xotiluzelesilejuduli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6092/7393/files/pasteurization_of_fruit_juice.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/pedarivorenali.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_off00009fda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9FDA | 5236 bytes |
SHA-256: a4ff9d61c0b8e6aee2e4dae0c7b31927a3ba05a9f1682061bb7fe2d1f8a84027 |
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font_01_sfnt_off0000b192.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB192 | 10780 bytes |
SHA-256: 897412a1311d49efd2fdd46bad179ec0b15648468878e5257b63f3c47b777b9b |
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