MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One of the primary links, 'https://ttraff.com/wb?keyword=digestive%20system%20worksheet%20for%20grade%205%20pdf', is identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to educational content. The ML classifier strongly indicates maliciousness.
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.com/wb?keyword=digestive%20system%20worksheet%20for%20grade%205%20pdf In PDF document text
- http://wubis.steam-skills.org/uploads/1/3/0/8/130874284/fobewepage-memopipezixol-dabogidonolo-gulasumifek.pdfIn PDF document text
- http://files.authorkimfox.com/uploads/1/3/1/3/131379612/kemunafejebos_furugamoros_vagububike_wivosoruda.pdfIn PDF document text
- http://files.ccfnei.org/uploads/1/3/1/6/131607310/5878324.pdfIn PDF document text
- http://files.sacredmountainjourneys.com/uploads/1/3/1/8/131856584/e8c72a6a7095cb4.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/1/0435/7606/6207/files/matipebegobibodarobuxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/3489/1672/files/edge_barracuda_buggy_plans.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3332/9817/files/42644147395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5107/3174/files/stages_of_grief_in_spanish.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5082/6905/files/64972751460.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6495/0945/files/63697029024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8611/9079/files/wujatitegigakelogomaputu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7812/3680/files/98834040120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5589/6983/files/96269781832.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3543/3882/files/affordable_housing_sepp.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2820/0096/files/nulldc_unable_to_find_bios.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0554/0509/files/nagoguvewijinibimivil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8497/2183/files/pogufubunanemajaralub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3672/8744/files/wofosinapeb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9461/4940/files/82995973890.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_off00008169.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8169 | 5864 bytes |
SHA-256: 9f3e5007f92a710d666252616687522adddd16a1dcfd2bab0732f6f78ce2563b |
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font_01_sfnt_off00009558.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9558 | 10076 bytes |
SHA-256: be1d54800246c162700e02fa323970166e4b737df121468043ad3e39dbea2c9c |
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