MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to a redirector service that is associated with malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be a lure for downloading a 'handbook of psychological assessment'. This suggests a phishing or scam attempt, likely aiming to deliver further malware or trick users into providing sensitive information.
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=handbook+of+psychological+assessment+4th+edition+pdf In PDF document text
- http://files.pfcmooremess.com/uploads/1/3/0/7/130776072/65264bc54.pdfIn PDF document text
- http://maxeba.minkacademy.com/uploads/1/3/1/8/131857920/nubuled.pdfIn PDF document text
- http://files.plainlanguageacademy.com/uploads/1/3/1/1/131164419/9247740.pdfIn PDF document text
- http://files.glendowiecommunitycentre.org.nz/uploads/1/3/0/7/130776509/lorebed.pdfIn PDF document text
- http://files.crescentmoondesignsjewelry.com/uploads/1/3/0/8/130873738/suwekitumipuwa_netowajilavo_vutok_givusa.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/1/0427/7298/8071/files/71326010099.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7813/0593/files/27150653335.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8757/4678/files/5695952284.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7642/7686/files/65180219605.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/6569/9478/files/vegas_pro_cracked.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7006/2753/files/mesuvigikumuviwenazo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5530/0249/files/jototovositiwafa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/liberacion_y_absorcion_de_farmacos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/4885/3926/files/vonuninuzimeletojefuvuzu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1225/7952/files/pazuwugopulokomidiraf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1121/1425/files/54952730317.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9624/3364/files/terror_of_infinite_drifts.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/9311/2472/files/cuaderno_de_vacaciones_de_blackie_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9280/3744/files/job_batch_and_mass_production.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_off00005628.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5628 | 5828 bytes |
SHA-256: 7153e87eec3946554dc99b22d11e4b1efd6851bc7239536b3e22c9211692da0f |
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font_01_sfnt_off000069e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69E9 | 10160 bytes |
SHA-256: 62b58169a012f90f0286556b486dc94bcfb0853d9c7f06b5c6ed69a98bcac66f |
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