MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector, https://ttraff.cc/wb?keyword=teaching%20english%20phonics%20worksheets, suggesting a phishing or malware distribution attempt. The document body, though partially corrupted, contains text related to 'teaching english phonics worksheets', likely a lure to disguise the malicious intent.
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/wb?keyword=teaching%20english%20phonics%20worksheets In PDF document text
- http://files.epsilonkappatx.com/uploads/1/3/2/7/132712530/wopopebuduw-nepow-daluw.pdfIn PDF document text
- http://files.rmscnc.com/uploads/1/3/1/4/131453432/konozifiwuwugok.pdfIn PDF document text
- http://files.limeswimwear.com/uploads/1/3/2/7/132740923/zananugi.pdfIn PDF document text
- http://files.washingtonpikeumc.org/uploads/1/3/2/3/132302824/9310255.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/1/0427/6345/2583/files/temazalirorimixebetig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/1311/8872/files/mining_guide_ffxiv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5355/5624/files/wemufa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8334/2748/files/26849695817.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7995/7669/files/alleluia_canon_mozart.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5857/7046/files/643574390.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7004/3813/files/50873139145.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0425/5656/files/purilefaratukegig.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8497/0139/files/73826481092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3803/1518/files/zazejanagagutup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4395/3567/files/english_terms_word_search.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9961/7448/files/vakokakigukuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0820/4704/files/13405504850.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6893/8658/files/woxidenoda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6152/6166/files/pink_floyd_brain_damage_tab.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_off0000723a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x723A | 5300 bytes |
SHA-256: 8ba57a5e80915c43f2c7b5776af89f03c83b6865224abd84dd0c003217833b0f |
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font_01_sfnt_off0000844b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x844B | 10676 bytes |
SHA-256: 04c12e20f98645e346e13d492e7214b1d3002d941a1a9c598afde99981c4c412 |
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