MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains multiple embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.ru/pify?keyword=cgst+act+2020+pdf+in+english, which is likely used to redirect the user to a phishing or malware hosting site. Another heuristic identified a large number of external PDF links, suggesting a link farm for SEO poisoning or traffic generation. The document body contains garbled text but includes the URL and a reference to 'Cgst act 2020 pdf in english', indicating a 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=cgst+act+2020+pdf+in+english In PDF document text
- http://motebo.vesselsofcomfortministries.org/uploads/1/3/0/7/130776445/vamenujofusezifa.pdfIn PDF document text
- http://files.porthackinglac.com/uploads/1/3/1/4/131438439/zujizefepapawej-faxig-magapul-raguzebimatosok.pdfIn PDF document text
- http://files.olivianicolethreads.com/uploads/1/3/1/4/131437457/969a8e784fb8.pdfIn PDF document text
- http://files.maxdesigns.com/uploads/1/3/2/7/132740501/ladabevubuv-rododekuva.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9635/8565/files/gezufazupadutixi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/79788526014.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3761/3461/files/12959452291.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3976/9254/files/sederik.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8607/8369/files/3575625977.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0569/7438/files/59376625582.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/sedufunomimuwa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/juzopuzenafososokazulu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0673/6037/files/60657514484.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8658/5749/files/fibasunonovoxitisowuva.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1977/9741/files/html_embed_from_url.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4266/8698/files/fefewivikofobu.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_off0000d45c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD45C | 5500 bytes |
SHA-256: fd8ed69b8b11f63e103b88a10f80ac4a81d2dcaef72f0be0ca1d40788fa2f77f |
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font_01_sfnt_off0000e717.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE717 | 15220 bytes |
SHA-256: e73113632a87d493bbac340410a166925384e17207b497e1cdc0159b7478a98f |
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font_02_sfnt_off0001165b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1165B | 3088 bytes |
SHA-256: 1faecf34624635473e592b317fec5b354106d5656525f77e1ed5542b68c4d3ce |
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