MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded links that point to a malicious redirector, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though heavily obfuscated, contains text related to 'Stellar phoenix outlook pst repair 9' and includes the malicious URL, suggesting a lure for users seeking software repair. The heuristic SE_PASSWORD_ARCHIVE_LURE indicates that this document might be part of a multi-stage attack where the actual payload is password-protected, requiring further user interaction or a separate download. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, many hosted on Shopify, which are likely part of a link farm to improve search engine ranking for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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/pify?keyword=stellar+phoenix+outlook+pst+repair+9 In PDF document text
- http://tonog.siglapscec.com/uploads/1/3/0/7/130776483/mevuzezubo.pdfIn PDF document text
- http://files.fineconsignhickory.net/uploads/1/3/0/8/130874130/danusulemorogu_lopazekene_soderusezenep.pdfIn PDF document text
- http://files.varsity-prep.com/uploads/1/3/1/3/131398322/wegasup_famawol_nojofaninudefas.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/1/0432/7469/8902/files/genutawonut.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0821/1619/files/planos_de_instalaciones_hidrosanitar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5593/8720/files/vebebetosunojovu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0334/7097/files/19785409299.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0466/3099/4085/files/formula_para_calcular_la_pendiente_de_una_rampa_vehicular.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9245/7112/files/android_games_live_gta_5.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/3874/2440/files/airdroid_app_apk_free.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2739/8807/files/ambiente_de_trabajo_definicion.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7026/7300/files/80984065369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2885/7503/files/87517315140.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_off00006e2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E2B | 5296 bytes |
SHA-256: 1f5fa1fb479ceef463cda41d661cbfd45896d7437e610af683ebfc04a5ca8696 |
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font_01_sfnt_off00008017.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8017 | 10456 bytes |
SHA-256: 63bb4e0d7f8221a14605cda16672d463d7f2f39e426bb3cf2bef004d37a2cbf2 |
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