MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 Malicious Link
T1059.001 PowerShell
The PDF file contains numerous embedded links, with one heuristic specifically flagging it as a malicious redirector. The document body, though heavily obfuscated, contains text related to learning English and includes the primary malicious URL. This suggests a social engineering attack aiming to trick users into visiting a potentially harmful site by offering a lure like a free book.
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.com/pify?keyword=learn+english+in+100+days+with+guaranty+urdu+pdf+book In PDF document text
- http://files.jessicavalenzuela.com/uploads/1/3/1/3/131379899/415988.pdfIn PDF document text
- http://files.candleliteinnludington.com/uploads/1/3/1/4/131453247/f4f476e0c7f09b6.pdfIn PDF document text
- http://files.allamericandancefactory.com/uploads/1/3/1/3/131379761/b62847fa3f.pdfIn PDF document text
- http://files.flashfoto.com.au/uploads/1/3/1/6/131606803/safibi_bidowixe.pdfIn PDF document text
- http://jafave.17southstreet.com/uploads/1/3/1/6/131637136/sinenozev.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/1/0437/5196/4830/files/96740060948.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dovaxetudomorunuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7331/5740/files/thani_oruvan_full_movie.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4461/5830/files/maxulakonajeda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0449/8564/7272/files/ubuntu_ms_office.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5108/0087/files/unlimited_power_tony_robbins_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8996/1884/files/49786675864.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9445/0078/files/limewire_4._18_8_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5847/0813/files/88323339587.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4737/0402/files/thesaurus_synonyms_and_antonyms_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6988/8929/files/minecraft_pe_mineplex_server.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4751/7341/files/kikedubadexasabisovojosam.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_off0000549f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x549F | 5836 bytes |
SHA-256: 3bea5d97f4af82abdfb5a2233ed9b7285ad112c462a53221913eab5a6111d524 |
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font_01_sfnt_off00006892.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6892 | 10508 bytes |
SHA-256: a95e5e0f8e33477fe307df294042e95b9284187f5b416edeed6f8f3ef230411e |
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font_02_sfnt_off00008cb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8CB9 | 16324 bytes |
SHA-256: 0cc5cd463905e7ac98888911a5f73249ead295a7e5eb112f1f0e854372cd59fe |
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