MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.ru/pify?keyword=hikvision+cctv+camera+installation+pdf', points to known malicious redirector infrastructure. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content through a large number of seemingly legitimate, but ultimately compromised, domains. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=hikvision+cctv+camera+installation+pdf In PDF document text
- http://zakafig.michelsacademy.com/uploads/1/3/1/0/131070374/vosubudo-zazikovonimufo-zuzoterikodumaf.pdfIn PDF document text
- http://files.carolmears.com/uploads/1/3/1/8/131871390/3243503.pdfIn PDF document text
- http://tunuse.perception-percepcion.com/uploads/1/3/1/4/131406390/budewefelosafaz-pikimaligokaki-zuzoza-gobaw.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/1/0433/4046/4281/files/large_scale_distributed_deep_networks.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3425/5258/files/glencoe_science_physics_principles_and_problems.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2307/2412/files/rowetopugonuzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4819/8556/files/33423195162.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/jidotodarutujinoz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8694/6206/files/96997367981.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7634/6266/files/5625126111.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1089/1680/files/pabugi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2757/0596/files/mipovisaraxaxevitunez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9726/7112/files/ambiente_de_aprendizaje_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3913/7697/files/favulogosaguvizizurala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5913/2054/files/exercices_avec_avoir_et_etre_au_present.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1969/7310/files/97842142390.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_off00006399.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6399 | 5384 bytes |
SHA-256: 8e405fe9f8664c4d685f46c872af1446b0bcea7d953616674e46a86d794939fa |
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font_01_sfnt_off000075dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75DD | 14880 bytes |
SHA-256: 8b7cee03b15351ba08dd25ecc6573e76ecb53a31b217b2e4649b830951872841 |
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