MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body itself contains the primary malicious URL, suggesting a phishing or scam attempt disguised as a document download. No scripts were extracted, but the presence of malicious redirector links and the ML classifier's high confidence indicate a high likelihood of malicious intent.
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.ru/pify?keyword=applied+linguistics+guy+cook+pdf In PDF document text
- http://besid.systemath.com/uploads/1/3/1/4/131437987/mixebisitexovolerix.pdfIn PDF document text
- http://files.sunnydawngrooming.com/uploads/1/3/1/1/131164236/dumexeboli.pdfIn PDF document text
- http://files.staylorhedgesart.com/uploads/1/3/0/7/130739214/5aac84.pdfIn PDF document text
- http://files.threeravenspianostudio.com/uploads/1/3/1/4/131407493/zepegerifiporeluput.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/1/0428/6762/2055/files/catholic_holy_bible_in_english.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7967/2735/files/46579901109.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9597/2256/files/crush_the_castle_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6847/9898/files/trastorno_esquizofrenia_paranoide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9075/6259/files/95799041906.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0683/4334/files/nuduvep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5363/7018/files/24556707104.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7144/6939/files/24981702409.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/1/0432/0896/6307/files/93790827690.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6779/3817/files/18679695660.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6982/4414/files/suvososuga.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_off00007811.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7811 | 5172 bytes |
SHA-256: b5d7ec0e1a200b731999f4a9d3532e0996c412eb14511b7e7251103dfc43c2ba |
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font_01_sfnt_off000089d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x89D0 | 10144 bytes |
SHA-256: 64e7a020fe83efa06ca4f1deec029e296b137554011de6a3fc7d55d0eee80205 |
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font_02_sfnt_off0000aca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACA6 | 16424 bytes |
SHA-256: f9711cef3ffb559c81ad9745ecc8fbef96de05f5d4c87c1b3b658693177715a7 |
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