MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wb?keyword=tamil%20nadu%20current%20affairs%202019%20pdf%20download'. The document body also contains this URL, presented as a lure for downloading a PDF. The ML classifier strongly flagged this PDF as malicious. The presence of a link farm further indicates 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.com/wb?keyword=tamil%20nadu%20current%20affairs%202019%20pdf%20download In PDF document text
- http://files.creativereadingandwriting.org/uploads/1/3/0/8/130813846/tigano.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kofuka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nemevisofopanufu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0595/9574/files/76972054357.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3255/9267/files/kanosiraluwesi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4684/6107/files/60657590717.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/65363426394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3441/8075/files/28283029342.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2534/9283/files/mtg_biology_books_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9024/6822/files/calibration_procedures.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5211/3820/files/sklearn_classification_report_recall.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2977/3982/files/beginning_programming_for_dummies.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6163/2406/files/chemistry_atomic_structure_questions.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3213/3278/files/30042516428.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/6044/2774/files/sivizitununov.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61F6 | 5824 bytes |
SHA-256: 14d89dbde9110ba35d33b51f7b32ed9f49bfddbcd1bbbd8c3007546761ccf5cd |
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font_01_sfnt_off000075bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75BD | 11864 bytes |
SHA-256: 079872e81efd9fa54dba0336c73ceac513e5acad486066bddb98844e168a0a26 |
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font_02_sfnt_off000093f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x93F3 | 14044 bytes |
SHA-256: 3af9a4ff939c7d2713cb89a72ed94ed52f30576f1d9dadd5bb1d28e53c3fb5ee |
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