MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which point to a redirector service known for hosting malicious content. The document body and embedded links suggest a lure for free downloads, likely leading to malware or phishing. The ML classifier strongly supports the malicious nature of this PDF.
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=introduction+to+the+calculus+of+variations+sagan+pdf In PDF document text
- http://files.esposlawenforcement.com/uploads/1/3/2/7/132712235/fegovik-dobun-risazitela-fuxoxudi.pdfIn PDF document text
- http://files.rawdiamondhair.com/uploads/1/3/0/7/130775977/1685669.pdfIn PDF document text
- http://files.whitmancountypublichealth.org/uploads/1/3/0/7/130775434/fajire.pdfIn PDF document text
- http://files.agonyopera.com/uploads/1/3/1/3/131380163/1223523.pdfIn PDF document text
- http://nuxaju.phideberkeley.com/uploads/1/3/1/6/131636725/rumelojoxa-winulavewagit-watozoxen-jakobebixakuju.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/1/0439/1262/6344/files/conglomerate_merger_example.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8022/9791/files/beruzitumazavagixedi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0860/4829/files/lonubegerar.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0703/2990/files/lulijisi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6499/9590/files/29976616182.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7932/7141/files/sudo_without_password.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4042/3592/files/wetizavidunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8845/3533/files/zemova.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tivaluzisezulumavolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4797/5062/files/84174933656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2621/1238/files/vuvejelatamoligaxulumu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8276/6750/files/geographically_weighted_regression_the_analysis_of_spatially_varying_relationships.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xiguxalenagidofivixonagez.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/furufewojob.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b0dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0DD | 5296 bytes |
SHA-256: e1ed5d167658198d3d041e78a7ff80562582fc32021f56829b779317ab56de53 |
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font_01_sfnt_off0000c2da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2DA | 10400 bytes |
SHA-256: b3355c02ea1e5c42b54d03a59a8b254df330acee6836499c320f5b8c1d391c61 |
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font_02_sfnt_off0000e6ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6AE | 16144 bytes |
SHA-256: f7282090e270060608fdc575ded0b184a97243f724fc845514d2e81390c10c7f |
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font_03_sfnt_off0000fba9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBA9 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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