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 links, many pointing to Shopify domains, suggesting a link farm or SEO poisoning attempt. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.ru/pify?keyword=hybridization+examples+pdf'. The ML classifier also strongly indicated maliciousness. The document body itself is largely obfuscated but contains the malicious redirector URL and several benign-looking Shopify URLs.
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=hybridization+examples+pdf In PDF document text
- http://files.savefarthingworthgreen.org/uploads/1/3/1/6/131637896/a4885f45cd.pdfIn PDF document text
- http://files.academicswithaplus.com/uploads/1/3/0/7/130738748/dokagit-tomolixegov-kofufafe.pdfIn PDF document text
- http://miriju.sharibatheactor.com/uploads/1/3/2/7/132740978/natoxozivibi.pdfIn PDF document text
- http://fogojug.tompigotpaintings.com/uploads/1/3/1/4/131406063/3679029.pdfIn PDF document text
- http://files.spartanleadershipgroup.com/uploads/1/3/1/3/131379899/47c1cb.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/1/0428/7568/2972/files/canoeing_the_mountains_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8005/5974/files/77963834442.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0452/7544/7458/files/bts_world_text_message_answers.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2589/9426/files/i_got_2_phones_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6574/5309/files/topemiwemiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2210/6271/files/24412015071.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9296/7581/files/microsoft_excel_2020_formulas_list_with_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0308/3928/files/mekudisularixilemewuruxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0874/3834/files/70009089945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7898/4614/files/58733457133.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8994/3971/files/47884215671.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3732/6502/files/starters_cambridge_test_2020_pdf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/1780/3675/files/zapilajipanolulujukipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/7166/3256/files/tratamiento_de_hernia_de_disco_lumbar.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_off0000ae51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE51 | 5508 bytes |
SHA-256: f6324e299c7cc23556ea55579ca52f44b414f7eaecbaf204f15962cfc125ad74 |
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font_01_sfnt_off0000c103.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC103 | 10492 bytes |
SHA-256: b04516e6e31dbc4008638ec627d47c40b69bd3e76db5fac97ab27796f8463de3 |
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