MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains multiple embedded links, with a critical heuristic firing indicating it points to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text suggesting it is a '12th zoology practical manual', likely a lure. The presence of numerous external PDF links, many pointing to Shopify domains, further supports the idea of a link farm designed to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.cc/pify?keyword=12th+zoology+practical+manual+english+medium+2019 In PDF document text
- http://files.sapphirestarseedart.com/uploads/1/3/1/3/131379042/xunuwitatepataxofiru.pdfIn PDF document text
- http://files.s-gholidays.co.uk/uploads/1/3/1/4/131406780/mapiruwiwu-miwodejebeki-nujejuzarobiwa.pdfIn PDF document text
- http://files.harthillhospitality.com/uploads/1/3/1/8/131871633/zokefidax.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/1/0432/4550/2626/files/febubodupemadunuwogu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4015/2479/files/introduction_to_functional_grammar_halliday.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0981/8280/files/denoxemodirafame.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5937/9357/files/le_brassage_genetique.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3861/3399/files/1650453945.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9095/1848/files/alprazolam_1mg_bula.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0815/4008/files/geporadoruvoxamemaxef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7689/3334/files/i_m_your_little_butterfly.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0616/3104/files/chuyen_hinh_sang_word.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7470/6853/files/82145851482.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6772/7269/files/zapiwimapudivogebumez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9121/3980/files/toximuvewuvujiruzer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6150/0318/files/3ds_max_crack.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_off00006929.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6929 | 6024 bytes |
SHA-256: dff3479797c0e8f943923b4f17003dc88e1b882db15c4c5ad42b628871826698 |
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font_01_sfnt_off00007d90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D90 | 10296 bytes |
SHA-256: 9eff392e047432cf146b28dfd371069da3d7f8bcdf3a4f7e4d70587b1adbbb3c |
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