MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'guidestar charity check api' and the malicious URL, suggesting a phishing or scam lure. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be directing users to malicious infrastructure via embedded links.
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/pify?keyword=guidestar+charity+check+api In PDF document text
- http://files.manitobaarteducation.com/uploads/1/3/1/3/131383943/4c2156bf772be.pdfIn PDF document text
- http://bososetat.dewaynebryant.com/uploads/1/3/1/4/131406286/b3479bd902971.pdfIn PDF document text
- http://files.greatscottideas.com/uploads/1/3/1/3/131398097/da2b196a7d.pdfIn PDF document text
- http://files.slavelakepokerrun.com/uploads/1/3/1/4/131453679/retidovalulab.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/1/0431/1056/4002/files/27808786198.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1382/4927/files/15798139380.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4896/0151/files/viporetak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2230/0822/files/6625538686.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3857/1670/files/22263920566.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0065/9100/files/calendrio_agosto_2020_para_imprimir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6045/3785/files/lubokikaposigapurog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0963/7533/files/22023417084.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7808/9878/files/assessment_purpose.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5733/0853/files/vadevirakod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4969/7959/files/103570120.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7938/5766/files/sebofubaxiwala.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6302/4547/files/55998945743.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6779/3817/files/xasakawavozufigezubeza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2341/8019/files/kadinibejegi.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:
greatscottideas.com
3 samples
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000057bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57BD | 5324 bytes |
SHA-256: 02e26b26c3584ae80becf46fcf63d510771661007dd9bc5dee376177dca10b91 |
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font_01_sfnt_off000069d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69D8 | 10492 bytes |
SHA-256: f985cfc2053b286dd98fdd39b272b8a2dbe3136a58720e6806000137f74f4d51 |
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