MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which are part of a link farm designed to obscure malicious redirectors. The primary malicious link, 'https://ttraff.cc/wb?keyword=worksheet%20for%20kg1%20free', is identified as a known malicious redirector. This suggests the document's purpose is to lead users to malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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ClamAV: Pdf.Dropper.Agent-9118314-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-9118314-0
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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/wb?keyword=worksheet%20for%20kg1%20free In PDF document text
- http://files.camppepper.com/uploads/1/3/2/3/132302913/1217584.pdfIn PDF document text
- http://files.windhorseadvancedhealing.com/uploads/1/3/2/6/132681634/10a08d2a42c2.pdfIn PDF document text
- http://files.425sqn.org/uploads/1/3/0/8/130814642/zotazaboma.pdfIn PDF document text
- http://files.cmenergyinsight.com/uploads/1/3/2/7/132740716/duligojifa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://womemoz.files.wordpress.com/2020/06/nixupowasuweguve.pdfIn PDF document text
- https://digogaba.files.wordpress.com/2020/06/94950999511.pdfIn PDF document text
- https://puvudoxewe.files.wordpress.com/2020/06/47700061204.pdfIn PDF document text
- https://xebiwabas.files.wordpress.com/2020/06/84579355052.pdfIn PDF document text
- https://lusigezoxot.files.wordpress.com/2020/07/zivubozekevozafefivitoraz.pdfIn PDF document text
- https://ruvirimijoxi.files.wordpress.com/2020/07/molega.pdfIn PDF document text
- https://petudelixax51916226.files.wordpress.com/2020/07/nutodexobuzujaw.pdfIn PDF document text
- https://sotarobimubu.files.wordpress.com/2020/07/96965681139.pdfIn PDF document text
- https://zevazodofo.files.wordpress.com/2020/06/67062319089.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4411/9462/files/25990063655.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3729/4754/files/49837227919.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94393320092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2525/3023/files/99951020086.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7813/2636/files/woruwokiregizibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9401/6157/files/42206928117.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1916/6105/files/libure.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_off0000716b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x716B | 4548 bytes |
SHA-256: 8e1bc43d5220f4808107de189aea35bf71838fbca2ae848fbbab86405112d2ea |
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font_01_sfnt_off00008111.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8111 | 9884 bytes |
SHA-256: d6aa005f9462f7443e55fb5d042c711b15ef3e8594970d0ec6025bde984d159d |
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