MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, which is also present in the document body text. This link, 'https://ttraff.cc/pify?keyword=whatsapp+for+pc+windows+8.+1', is designed to lure users into clicking it under the pretext of downloading WhatsApp. The document also contains a large number of embedded links to external PDFs, many hosted on Shopify, which is flagged as a link farm. No scripts were extracted from this sample.
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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=whatsapp+for+pc+windows+8.+1 In PDF document text
- http://files.johnreesleather.com/uploads/1/3/2/3/132302718/4f5e87.pdfIn PDF document text
- http://xomiv.keniaduzit.com/uploads/1/3/2/8/132814930/2176474.pdfIn PDF document text
- http://files.oxtapas.com/uploads/1/3/0/8/130814402/b673cb0681fd193.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0429/2067/3433/files/manual_prctico_del_operador_de_calderas_industriales_gratis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7587/1654/files/99054833900.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3475/4728/files/velafaxutumabekifuzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6299/2795/files/exploring_psychology_in_modules_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2457/9751/files/dulojibejigu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9416/3109/files/sokekedatopolupamatavituj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/2376/6428/files/analisis_de_la_pelicula_cadena_de_favores.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7551/8107/files/51276327572.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3890/7288/files/xisos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9979/1265/files/jevimonegobukov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1110/5183/files/74242001132.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5580/0739/files/harley_dyna_service_manual_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0094/6073/files/31065597835.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_off00005f35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F35 | 5264 bytes |
SHA-256: 0be3bfa92d468b15f9ca38c851c951b5a58e0f5d3114925c0da48b7ee5c488ec |
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font_01_sfnt_off0000712c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x712C | 9896 bytes |
SHA-256: 98f388387273b419d0615e035936ebd6316f9e9166dc8450539c0637f5719611 |
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font_02_sfnt_off0000930a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x930A | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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