MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=anualidades+diferidas+vencidas+pdf'. Additionally, it exhibits a PDF link farm behavior, embedding numerous external links, with the first identified as 'https://cdn.shopify.com/s/files/1/0431/1882/1530/files/sharad_upadhye_rashichakra_book_in_marathi.pdf'. The document body text also contains these URLs, reinforcing the intent to direct users to external, potentially malicious, content. 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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=anualidades+diferidas+vencidas+pdf In PDF document text
- http://files.sproutsmyanmar.com/uploads/1/3/2/3/132302863/giburapudiga-dojowul.pdfIn PDF document text
- http://files.floridaaquaticbiologists.org/uploads/1/3/0/8/130813399/5a035dd66b5a.pdfIn PDF document text
- http://files.rhythmresearchresources.net/uploads/1/3/1/6/131606127/gelizoxi-mevep-xuzumifam.pdfIn PDF document text
- http://files.inwoodinc.com/uploads/1/3/1/3/131380354/dazepa_razuruparav_lebuxepezavepen.pdfIn PDF document text
- http://files.escapeedventures.com/uploads/1/3/0/8/130874046/7294867.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/1/0431/1882/1530/files/sharad_upadhye_rashichakra_book_in_marathi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0278/0072/files/ge_advantium_120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9662/8641/files/44773295475.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2328/6951/files/vabaxejodebijegigalijef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6304/0408/files/xubolinulafugudizidiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7351/9269/files/algorithme_cours.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5713/5257/files/jadiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5206/3137/files/fokewemizum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2585/7703/files/arrays_in_c_programming_language.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5054/0964/files/6159930914.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6254/1982/files/cube_world_release_date.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3950/7100/files/nunodalusaxafizano.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7399/3890/files/80162813615.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_off0000806e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x806E | 4892 bytes |
SHA-256: 634773ab938a270a2a7b30777ee258e06785ef5d8ffe0a678973225190748f37 |
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font_01_sfnt_off00009116.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9116 | 11748 bytes |
SHA-256: 5533322b3f79c673dbe0fdd20621a57d0a023128c0d8e59b21912844cd44a863 |
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font_02_sfnt_off0000b746.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB746 | 4324 bytes |
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
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