MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, including one pointing to a known malicious redirector, disguised as a contract template. The ML classifier strongly indicated maliciousness. The document body contains a direct link to the malicious redirector and several other PDF links, suggesting a link farm or redirection scheme to distribute further payloads or phish users.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=free+consulting+services+contract+template In PDF document text
- http://files.maristcyclingadventure2015.com/uploads/1/3/1/6/131637271/6f2c9.pdfIn PDF document text
- http://files.getbackpainfree.com/uploads/1/3/0/7/130776401/kudijanejekove.pdfIn PDF document text
- http://tojunipi.nature-myview.com/uploads/1/3/0/7/130738971/wanaxixol.pdfIn PDF document text
- http://lifegiti.kriswiltse.com/uploads/1/3/0/7/130738546/9064428.pdfIn PDF document text
- http://files.kelownaplumbingsolutions.com/uploads/1/3/1/3/131398156/vudejinu-kedav-benosagulita.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/1/0430/6888/3098/files/21374967970.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5795/4464/files/febiwejazikabixo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5063/1319/files/xuseb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0428/7383/files/71626516763.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3333/7768/files/1305960408.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1774/6070/files/sndrome_de_apnea_obstructiva_del_sueo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2502/2621/files/zadevekejisimajem.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1977/9742/files/domujokovisinijagixudove.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3358/4035/files/govobakud.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5743/0176/files/lagna_nimantran_patrika_format_in_marathi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1878/8774/files/kanedapa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6281/3084/files/81670325829.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1240/7967/files/zifimeviduzoligaxov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/4937/6161/files/nj_homestead_rebate_2014.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_off0000754a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x754A | 5268 bytes |
SHA-256: 88ddb54f3aaa7390d4a68e02e58db64466ec8a761a1757f84f1c265bbe117875 |
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font_01_sfnt_off0000871f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x871F | 2268 bytes |
SHA-256: 2b17894289ef4ac549ca5ccbfe538e6ebde94701791c0542cba9a71f2d67f349 |
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font_02_sfnt_off00009132.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9132 | 10624 bytes |
SHA-256: 066309977a2f0003fe849a8c1c14019747b879085ccb6bff7de55e3f2f2907ff |
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