MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, many of which point to suspicious domains and are flagged as malicious redirectors or part of a link farm. The document body, though partially corrupted, includes a search query related to an 'ocr gcse modern world history revision guide pdf' and lists several PDF URLs, suggesting a lure to download further malicious content. The presence of a malicious redirector link indicates an attempt to lead the user to a compromised or 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.ru/wb?keyword=ocr%20gcse%20modern%20world%20history%20revision%20guide%20pdf In PDF document text
- http://files.amapolapress.com/uploads/1/3/1/4/131406800/dusalezipa.pdfIn PDF document text
- http://files.bestjunkremovalnow.com/uploads/1/3/1/6/131637194/goduvosivemurami.pdfIn PDF document text
- http://files.gocadets.com/uploads/1/3/1/4/131483391/fiboru_juvarifafavu_kawogozi_nofaxu.pdfIn PDF document text
- http://files.kaitiakirestoration.co.nz/uploads/1/3/0/9/130969478/puwezanu.pdfIn PDF document text
- http://files.chrystinejones.com/uploads/1/3/1/8/131856034/1790453.pdfIn PDF document text
- http://files.myheartbelongsto.com/uploads/1/3/1/0/131070861/5017754.pdfIn PDF document text
- http://files.faithtabernaclefellowship.org/uploads/1/3/0/7/130740493/xegijexa_lepiro_falozul_gimavabugad.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://jekoxez.files.wordpress.com/2020/07/34016763289.pdfIn PDF document text
- https://polosewus.files.wordpress.com/2020/07/gilowoliwelitak.pdfIn PDF document text
- https://mamexoza.files.wordpress.com/2020/06/bapoduvok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72707516801.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72710717911.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87960197539.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bugasodaliza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/savowogofoxifonikili.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/giratajolexodomofavewolov.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tapowizilefaj.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
🗂 Part of campaign:
chrystinejones.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004b39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B39 | 5524 bytes |
SHA-256: 6daf08c71e61da23e4f7f7fc6a9545641d73a7c613182b70a42e9ab160a3f17c |
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font_01_sfnt_off00005dec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DEC | 9788 bytes |
SHA-256: 5b96c71be45e4549033bc15fd447924a571bc814fd8a9bc5288075bee5988ebb |
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