MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body and embedded links suggest a lure for downloading programming notes, likely a pretext for phishing or malware delivery. The presence of embedded links and the ML classifier's high confidence score indicate 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/pify?keyword=java+programming+full+notes+pdf In PDF document text
- http://zinid.stuart.boundlessgym.com/uploads/1/3/2/8/132814930/wonapulexovubim_garaw.pdfIn PDF document text
- http://files.sacramentoatcurrentspeed.com/uploads/1/3/1/4/131413718/gojop.pdfIn PDF document text
- http://vixiximev.angeladaley.com/uploads/1/3/1/6/131606407/1b71e0e332280.pdfIn PDF document text
- http://files.warriorbused.com/uploads/1/3/1/4/131453100/jalepafulalafeg.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/1/0431/9281/1669/files/dujufidirakupefitaxojo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/25424470269.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8574/8642/files/84214969369.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1619/0112/files/how_to_multiply_matrices_2x2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9809/5272/files/14542909960.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8251/4585/files/alif_episode_1_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0209/3987/files/sadilanubotudi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0450/8676/9304/files/thermodynamic_equation_of_state_derivation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7482/2044/files/ccna_full_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8168/6423/files/64784823939.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006670.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6670 | 5412 bytes |
SHA-256: b12ac7c83cae7dcf8001039d4b48016ec4e71c07869e7e92c814fe0912ae2b27 |
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font_01_sfnt_off000078c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78C1 | 3396 bytes |
SHA-256: c624dbbd26d28bb237d61ba4a626d38574896a9ddf6e234aa4992c5fe18d4685 |
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font_02_sfnt_off00008607.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8607 | 2320 bytes |
SHA-256: 026de1076dad6614fee7b4839f066e743e4238b5ddea94259138cfcd618330b4 |
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font_03_sfnt_off00009059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9059 | 10408 bytes |
SHA-256: 12fb35ec5e32960e2b4221c12f20bbf0bf607b435c1e92bdbcab75d325b43f6c |
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font_04_sfnt_off0000b432.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB432 | 16224 bytes |
SHA-256: 7a7e0f9cb89785dee93ecfbcc78ef93b5a18a5022886c2d5a0bf15d9412c15a0 |
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