MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure, specifically 'https://ttraff.cc/pify?keyword=buku+agama+islam+kelas+xi+kurikulum+2020+pdf'. The document body, though heavily obfuscated, contains text related to 'Buku agama islam kelas xi kurikulum 2020 pdf', suggesting a lure to disguise the malicious intent. The presence of numerous links, including the identified malicious redirector, indicates a likely attempt to drive traffic to malicious sites.
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=buku+agama+islam+kelas+xi+kurikulum+2020+pdf In PDF document text
- http://zajawo.adrianafontes.com/uploads/1/3/1/1/131164250/netozolagili-tatadir-lodudilokokaj-wejis.pdfIn PDF document text
- http://files.erawantokyo.com/uploads/1/3/0/9/130969061/wasiwefe.pdfIn PDF document text
- http://files.greybeardadventurer.com/uploads/1/3/0/7/130775221/zison.pdfIn PDF document text
- http://files.blissfuleventplanners.com/uploads/1/3/1/3/131383892/totizeribex-tuzevu.pdfIn PDF document text
- http://files.listerinfo.com/uploads/1/3/1/4/131407492/6184999.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/1/0427/6230/5702/files/nejeseneranisetidulugufo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4576/3744/files/39973041272.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6656/4507/files/zokere.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2549/7239/files/cosmic_glue_strain.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3420/5590/files/mammoth_weather_howard.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2693/1099/files/yale_electric_pallet_jack.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/43264730564.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0857/3091/files/autocad_file_converter_to_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5997/9174/files/vawiliviveloxesetazig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5847/1846/files/ramokufewipenegexu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7977/0019/files/sawenevuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7245/3797/files/25338682416.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_off0000732d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x732D | 5816 bytes |
SHA-256: 81371f2f59c5cb179709826af9ff1eb0084dab5da32de91f7e07528880ba18cb |
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font_01_sfnt_off000086f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86F6 | 10368 bytes |
SHA-256: b69de5787bb5eb66a5303b421b16c19f34f6fd9edd18bc466466c65ade2cfd02 |
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