MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links designed to appear as legitimate documents, but the primary link redirects to a known malicious redirector. This suggests a phishing or scam attempt, likely to lead the user to a malicious website or download. The ML classifier strongly supports the malicious verdict.
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=buckling+of+columns+pdf In PDF document text
- http://files.kw.ehabacademy.com/uploads/1/3/2/7/132741535/7412732.pdfIn PDF document text
- http://files.pillowellsilverband.com/uploads/1/3/0/8/130813134/2670026.pdfIn PDF document text
- http://files.smrtartdepartment.org/uploads/1/3/1/3/131384777/1202d6cc5ffafc.pdfIn PDF document text
- http://files.gcspatriots.org/uploads/1/3/0/7/130776099/e79ae.pdfIn PDF document text
- http://tuduni.sparkycarpetcleaning.com/uploads/1/3/1/4/131407155/2364809.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/1/0429/5704/5913/files/leap_year_dates.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8684/7905/files/meteli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0952/2339/files/megituwifetatefa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0069/1862/files/puxemilenivimogepozujiw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9616/0921/files/76331732078.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8901/1612/files/30982012339.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3325/5323/files/xijoposide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9516/2022/files/kojawomibipexotewevovow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5836/2518/files/effect_of_air_pollution_on_respiratory_system.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2163/7544/files/pepififulon.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6259/9585/files/21655312168.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3308/4575/files/34567050384.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6101/0842/files/39430300767.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b28c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB28C | 5280 bytes |
SHA-256: 5b6c66d16732754cd263906cdcd1bf5e26f8d4f77830c0051dbf76c8a0e36bb0 |
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font_01_sfnt_off0000c47c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC47C | 14444 bytes |
SHA-256: cb7d6a76417d3c1764571a8f3b07979127a48d575ba89a729a0815fe6521ca76 |
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font_02_sfnt_off0000f2b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B2 | 16036 bytes |
SHA-256: 35d3440dae1ebc896564e4e6f70ea95aa3a30a1ac603c7fffbb21b68b8b72e2f |
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