MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious intent, including links to known redirectors and a link farm. The document body, though heavily obfuscated, contains a URL that points to a malicious redirector, suggesting the file is designed to deliver a second-stage payload. The ML classifier also strongly flagged this PDF as malicious.
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.ru/pify?keyword=violencia+en+el+ambito+laboral+pdf In PDF document text
- http://files.greateragapedeliveranceinternationalchurchinc.org/uploads/1/3/2/7/132710783/2119179.pdfIn PDF document text
- http://files.nathanrgeorge.com/uploads/1/3/1/4/131409309/vovanurowiwe_sefevel_wubogaman_tokuzanox.pdfIn PDF document text
- http://files.alfredofatale.com/uploads/1/3/2/3/132302993/1286888.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/1/0435/8511/0177/files/36046466923.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9997/1999/files/xowamib.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1758/4283/files/50688655068.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5892/9570/files/exemple_de_cahier_des_charges_d_un_produit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4845/0718/files/paris_ratp_bus_map.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rosetotirumeza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3573/7764/files/daxiwazitonowe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0816/3993/files/65668138190.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9476/1877/files/3184822568.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8171/8167/files/81100859661.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3407/5558/files/63653402579.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2629/8533/files/lamagotipapaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2539/8945/files/tepenigoxaletofudorudik.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_off0000f91a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF91A | 5016 bytes |
SHA-256: 03945869508c1d027c8beb87498283c4035eddfb4745cea8b6242c19ed3cd3eb |
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font_01_sfnt_off000109fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109FE | 11684 bytes |
SHA-256: 48c777a8db952c5eae478dab68a95468d94d03792ea05317c8304da7093de794 |
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font_02_sfnt_off00012ff1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FF1 | 4324 bytes |
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
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