MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service that is flagged as malicious. The document body text and embedded links suggest a lure for IELTS speaking criteria, which is a common tactic for phishing or malware distribution. The ML classifier strongly indicates maliciousness, and the presence of redirector links points towards an attempt to lead the user to a malicious site.
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.cc/pify?keyword=ielts+speaking+marking+criteria+pdf In PDF document text
- http://files.becomingjewish.net/uploads/1/3/2/6/132681826/kaxijazuweka-pewepu-xoxifir.pdfIn PDF document text
- http://files.lindakriebel.com/uploads/1/3/2/6/132695416/2323581.pdfIn PDF document text
- http://files.belarusian-songs.com/uploads/1/3/0/8/130814390/kupofixuleremom.pdfIn PDF document text
- http://gotixuwe.prestigesupport.org/uploads/1/3/0/7/130775219/zovew.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/1/0427/4041/6678/files/gediluwawufifi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3049/4878/files/48231805077.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3646/7623/files/2_mb_to_kb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5491/5993/files/zifiwapu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4620/7650/files/zegixofomemininapejepel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6577/6030/files/kegogutobosivewizired.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8036/5720/files/31209118336.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4016/9366/files/7184055746.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4700/0983/files/bidaxegolavi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8764/3302/files/pejopix.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2631/7473/files/roxilevanasekixeba.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1367/5928/files/58703975770.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1733/0075/files/66677720627.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6934/8763/files/wejitogukasive.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_off00008dcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DCC | 5156 bytes |
SHA-256: 66878c0b7df886c81d9cda828126ee62d0ca32903220b640f6933fb7debca943 |
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font_01_sfnt_off00009f34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F34 | 10256 bytes |
SHA-256: 48717068c1a10123d4b4e41b098de0867c9333bba2e900ae1169a576849b40bd |
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font_02_sfnt_off0000c22e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC22E | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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