MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. The primary malicious link, https://ttraff.ru/pify?keyword=advantages+and+disadvantages+of+online+examination+system+pdf, is identified as a known malicious redirector. This suggests the document is designed to redirect users to malicious infrastructure, likely for phishing or malware distribution.
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=advantages+and+disadvantages+of+online+examination+system+pdf In PDF document text
- http://files.tomhelp.us/uploads/1/3/0/7/130739974/laravukowinabiwudad.pdfIn PDF document text
- http://sazezeko.theglassstationstudio.com/uploads/1/3/1/3/131378776/pitimufiwamewal_javalulosorebe_zevogelege.pdfIn PDF document text
- http://files.shajaceramics.com/uploads/1/3/1/3/131380390/8067003.pdfIn PDF document text
- http://files.raddesley.com/uploads/1/3/1/0/131070872/7009242.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/1/0430/7232/3737/files/lodewowarivusoratodur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9945/3608/files/bosovonajifuj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5219/6249/files/38492171989.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6450/9094/files/25692779003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7079/0558/files/bosumidusewanuzarulefute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3197/7370/files/zafixal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5035/3318/files/47583489876.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9648/8613/files/16988629512.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6668/7642/files/zuvelotetezozig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6761/2063/files/ad_d_2nd_edition_monster_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/1358/7623/files/lupusubikubevi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4670/7104/files/nebabipexefab.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_off00006889.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6889 | 5272 bytes |
SHA-256: 54d2ff72d08278cf6bae9fb59a3c9b17392abdc5072a372ea1fe81c1b0183903 |
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font_01_sfnt_off00007a79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A79 | 10204 bytes |
SHA-256: 2d2892a722836421d5349d31d5ec384b5da7b0467728b4a9e42141c622656024 |
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font_02_sfnt_off00009d34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D34 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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