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 hosting PDF files, which is indicative of a link farm for SEO manipulation. One prominent link, 'https://ttraff.ru/pify?keyword=detective+byomkesh+bakshi+book+pdf', is flagged as a malicious redirector. This suggests the document's primary purpose is to drive traffic to malicious infrastructure by masquerading as a book download.
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=detective+byomkesh+bakshi+book+pdf In PDF document text
- http://files.thewarriorlady.com/uploads/1/3/2/7/132740564/44c38c79de.pdfIn PDF document text
- http://files.playgroundplayersproductions.com/uploads/1/3/1/4/131453633/44888cd.pdfIn PDF document text
- http://files.kimkirch.com/uploads/1/3/0/7/130775827/welobozutudirol-fulunim.pdfIn PDF document text
- http://files.slaythepe.com/uploads/1/3/1/3/131381976/nenawozarapib_dixowa.pdfIn PDF document text
- http://files.smporterauthor.co.uk/uploads/1/3/0/7/130774993/7599989.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/1/0430/1619/2153/files/jilowur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9736/6436/files/buwuwab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1049/7434/files/sw_kotor_mod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2794/6904/files/74609173953.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0460/8155/files/17930788022.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8085/2383/files/18034317669.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9875/0629/files/solajat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1156/3932/files/29923932180.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2656/2722/files/numpy_matrix_vector_multiplication.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3568/1180/files/35777446016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0743/4142/files/kemonafonekuvovif.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
- http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
- http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006de7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DE7 | 5632 bytes |
SHA-256: ca0ec788c6f78d65637f31c9d4e4a93a0d700fc284a1fccc0b65f8f7603fa42b |
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font_01_sfnt_off000080f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80F9 | 4756 bytes |
SHA-256: 37928785ff10e6dd8419d8f687f34ae273946a8b039447397ec853031f54fc9d |
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font_02_sfnt_off0000908e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x908E | 14652 bytes |
SHA-256: 3d52587c41a89617fefe2941bf5b595e1d8b79dd7be209dfbd7805461602e1ca |
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