MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with many links pointing to seemingly benign Shopify URLs, but also includes a critical link to a known malicious redirector at https://ttraff.ru/pify?keyword=frontiers+in+pediatrics+author+guidelines. This suggests a phishing or social engineering attempt to direct users to malicious infrastructure. The document body, though heavily obfuscated, contains the malicious URL, reinforcing the attack pattern.
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=frontiers+in+pediatrics+author+guidelines In PDF document text
- http://fiwifasof.paradiselawngarden.com/uploads/1/3/0/7/130776257/152438.pdfIn PDF document text
- http://janaxal.saludpharmacyshop.com/uploads/1/3/1/4/131454065/zopoxebikulime_kulefen_varemurolumiv.pdfIn PDF document text
- http://files.heartlandjungians.org/uploads/1/3/0/7/130776841/ziniruper.pdfIn PDF document text
- http://files.creativeselluillustrations.com/uploads/1/3/0/8/130873838/5095ea.pdfIn PDF document text
- http://files.malcolm-morris.com/uploads/1/3/2/6/132695360/f296646f8eb631.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/1/0428/9875/1641/files/agents_of_socialization_definition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/63908687591.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2134/3647/files/business_model_generation_alexander.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6385/9610/files/honeywell_t40_thermostat_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0448/2190/5570/files/calendario_campionato_spagnolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1350/5185/files/split_by_page_number_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0504/8994/files/gibururevagironegev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9455/6324/files/job_application_letter_format_for_teacher.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5107/3174/files/orchidaceae_family.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2603/8433/files/rheem_electric_water_heater_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0835/2679/files/velugidipaguketirujux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3914/6662/files/exercices_articles_partitifs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0201/1548/files/lavixobutapubadikika.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b28a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB28A | 19492 bytes |
SHA-256: 417f1819c86622536af3bcd35aeb08a11773f9e3dae2bfe04813773816dab401 |
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font_01_sfnt_off0000ef87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF87 | 5288 bytes |
SHA-256: c2ab7d78143aa06af222128647fe56095144b9260f6928e997c3e05707702383 |
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font_02_sfnt_off00010179.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10179 | 10696 bytes |
SHA-256: 20f5fef3c00c86ec6badb03a2d03ea11e531fd8263639dc708db762edbe73d5e |
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