MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body appears to be obfuscated or corrupted, but the presence of numerous external PDF links suggests a link farm or SEO poisoning attack. The primary intent appears to be redirecting users to potentially harmful content.
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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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=scrivener%20tutorial%20mac%20pdf In PDF document text
- http://files.fascinobespoke.com/uploads/1/3/1/8/131858975/maxabemurijuzisi.pdfIn PDF document text
- http://files.learnguitar4fun.com/uploads/1/3/1/8/131856381/8522082.pdfIn PDF document text
- http://files.edwingreenbergphd.com/uploads/1/3/0/8/130874018/98919ad79.pdfIn PDF document text
- http://files.nanrubin.net/uploads/1/3/1/1/131164095/78144c98d018c.pdfIn PDF document text
- http://files.jmontanaphotography.com/uploads/1/3/1/8/131857580/rejol-zofejemosor.pdfIn PDF document text
- http://files.beitnachum.org/uploads/1/3/1/4/131483253/ximegigojepirez_rabisosip_suwupisi.pdfIn PDF document text
- http://files.southdevonplayers.com/uploads/1/3/1/8/131871648/3602d20161be9.pdfIn PDF document text
- http://files.bigtrecreation.com/uploads/1/3/1/3/131379612/fasezojozixuf.pdfIn PDF document text
- http://files.bloominozzieclicks.com/uploads/1/3/1/6/131606280/4022744.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://xikijowo.files.wordpress.com/2020/07/29890378667.pdfIn PDF document text
- https://zaferogo.files.wordpress.com/2020/06/74483756127.pdfIn PDF document text
- https://majelatunuga.files.wordpress.com/2020/06/88139917219.pdfIn PDF document text
- https://wuxegura685470280.files.wordpress.com/2020/07/45222252159.pdfIn PDF document text
- https://rizuxagojagu.files.wordpress.com/2020/06/61761544103.pdfIn PDF document text
- https://mozujunovuj.files.wordpress.com/2020/06/96550634107.pdfIn PDF document text
- https://razekusokil.files.wordpress.com/2020/06/68763330398.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/70278744099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/botolewapaniwid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tanedikefiresemur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zaduvezumutup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51098187394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wexanenivoxepabulolud.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000081cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81CC | 5168 bytes |
SHA-256: 80fc191fe789aee7353774eb69538fce0691d3228502852ca797173b8d173cd3 |
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font_01_sfnt_off0000933b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x933B | 1800 bytes |
SHA-256: a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
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font_02_sfnt_off00009bc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9BC8 | 11184 bytes |
SHA-256: c74d562c861867ba51465913db7239581096ceca1a8c95680c26a430e6cf24d4 |
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