MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which are identified as part of a link farm or redirector infrastructure. The primary redirector URL, https://ttraff.cc/pify?keyword=biblia+de+estudio+inductivo+reina+valera+1960+pdf, is used to obscure the final destination, which is likely malicious. The ML classifier strongly indicates maliciousness, and the presence of SEO-optimized links suggests a phishing or malware distribution campaign.
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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.cc/pify?keyword=biblia+de+estudio+inductivo+reina+valera+1960+pdf In PDF document text
- http://nimufipo.breathefreeme.org/uploads/1/3/1/4/131453541/5246586.pdfIn PDF document text
- http://files.rhadpc.com/uploads/1/3/1/8/131871586/foxaxifasavuxu.pdfIn PDF document text
- http://mefekibeb.utcifc.com/uploads/1/3/0/8/130873822/9468451.pdfIn PDF document text
- http://netefiv.hopeofglorychristinmebriankinnett.com/uploads/1/3/1/3/131380126/8502417.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/1/0427/6974/4028/files/bonifisonewotatapusejona.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8121/1810/files/dazonegavijemif.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8353/8331/files/34704840307.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4434/6792/files/44617800261.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5512/8477/files/bezuzi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8028/6372/files/35834534489.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3293/6605/files/xulurusarixeduxaxisuxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/2961/7057/files/wirudekowamadewibesorefut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1125/2132/files/zewigalemo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6404/1373/files/ashcroft_mermin_solid_state_physics_solutions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4462/5822/files/17074696650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8034/3961/files/meroruzadesijalijewodavur.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_off0000bc6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC6C | 5904 bytes |
SHA-256: 1df6b85b033ad4b02f49877ba17db480c10ea0fba360a6c825c908cf916e9167 |
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font_01_sfnt_off0000d091.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD091 | 11500 bytes |
SHA-256: 8d693c7f4d7baa3a653a7a019023ea2fd5fdba876ee9863b6d00ab546b28f3e5 |
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