MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to domains associated with link farms and redirectors, as indicated by the PDF_SEO_LINK_FARM and PDF_MALICIOUS_REDIRECTOR_LINK heuristics. The primary malicious URL identified is https://ttraff.ru/pify?keyword=bateria+ion+litio+funcionamiento+pdf. The document body, though heavily obfuscated, also contains this URL and other Shopify-hosted links, suggesting a lure to external content. No scripts were extracted from this sample.
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=bateria+ion+litio+funcionamiento+pdf In PDF document text
- http://files.elizabethadabale.com/uploads/1/3/1/4/131453250/9202b3fae9.pdfIn PDF document text
- http://files.yankeebellechihuahuas.com/uploads/1/3/0/8/130874026/dalexajesudisub.pdfIn PDF document text
- http://dagipe.rodtannerlaw.com/uploads/1/3/0/7/130775934/f42cc65.pdfIn PDF document text
- http://files.naturaltouchhealing.com/uploads/1/3/1/4/131411474/5102878.pdfIn PDF document text
- http://xaver.yubakids.org/uploads/1/3/1/8/131872225/1882490.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/1/0440/8272/5029/files/ielts_speaking_part_2_topics_with_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7840/1700/files/jabazukudaborilarazazope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0409/9740/files/wifom.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9040/3737/files/76542072155.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5372/6358/files/67339368893.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9143/5422/files/viduzexugusen.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2190/9662/files/natepebepefemimupepatet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0808/9509/files/dsm_5_anorexia_nervosa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6124/7138/files/caderno_de_encargos_sudecap.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4615/1078/files/87304251038.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4438/7481/files/oxford_advanced_learner_dictionary_free_download_full_version.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0331/3308/files/97139121135.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2430/8630/files/30033886.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4312/5413/files/levepit.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_off000075ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75FF | 5172 bytes |
SHA-256: 9337182485debf7c6da983ec6d72a2855d1b9db2167424066272461edae0948b |
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font_01_sfnt_off0000877f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x877F | 11476 bytes |
SHA-256: 63800fbaf19597ad3d7d745bf5855a6247874f6f73248fc8a615367aec88dd27 |
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