MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a redirector, which is a common tactic for phishing and malware delivery. The document body, though heavily obfuscated, contains text related to sending PDF attachments via email, suggesting a social engineering lure. The presence of numerous external links, including one to a redirector, indicates a link farm or phishing attempt. The primary malicious IOC is the redirector URL, which likely leads to further malicious 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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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=how+to+send+pdf+attachment+through+email+in+php In PDF document text
- http://files.elginyouthchoir.org/uploads/1/3/1/6/131608037/nefik-torot.pdfIn PDF document text
- http://files.futurefoundationsct.com/uploads/1/3/1/4/131406535/pupuxiko-xakaladila-sisamuderu-towurix.pdfIn PDF document text
- http://files.reveil-corporel.com/uploads/1/3/2/6/132695321/dowezoxosak.pdfIn PDF document text
- http://files.cchspostgrad.com/uploads/1/3/0/7/130776291/foxaxokijufalamu.pdfIn PDF document text
- http://files.tynksgemstonedesigns.com/uploads/1/3/2/7/132740415/7381d2f1749d4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0431/9982/4032/files/star_fox_adventures_iso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4519/0821/files/banurefenamomosawevoxaxes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9744/6816/files/introductory_chemistry_7th_edition_corwin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3269/9295/files/kikixusamimigu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4607/4525/files/red_chins_osrs.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1880/5657/files/free_pokecoins_no_survey.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2440/1063/files/ruvovufemusuxuxipa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9670/2104/files/xuwivibetum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7921/2959/files/vusaxebivutalenedomazule.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4929/5776/files/xavekirigaluxadipuvoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4742/0066/files/fokodanafodolemavikekira.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8752/7078/files/matajavi.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_off00006f1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F1C | 5504 bytes |
SHA-256: 50cd4d927a39e270420e042ba3f7e986adc02beee2adbb17bb08f9125a5c9d09 |
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font_01_sfnt_off000081b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x81B0 | 17104 bytes |
SHA-256: dc3f801271d45db3a7eec8c0e68e743df43fa5d83625e970235f4e3c8511bc64 |
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font_02_sfnt_off0000b6ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6FF | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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