MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged as malicious due to its inclusion of a link farm pointing to a known malicious redirector. The document body contains obfuscated text and multiple URLs, including the primary malicious redirector URL. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically identifies the threat, and the ML_NYX_PDF_MALICIOUS model strongly supports this classification. The primary purpose appears to be directing users to malicious content via the ttraff.com domain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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=fybsc+botany+textbook+pdf In PDF document text
- http://wikuwep.heatherleephoto.com/uploads/1/3/2/6/132681670/1e09e8034f2e2b8.pdfIn PDF document text
- http://files.paintrollersplus.net/uploads/1/3/1/4/131406892/7564200.pdfIn PDF document text
- http://files.ansonexresources.com/uploads/1/3/0/7/130776499/bokipug_mugiwe_zewezuxo.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/1/0436/2698/7680/files/kuregolaboduwabetugutub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53940500656.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/5959/9765/files/51575487268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2613/6743/files/jujuvakosupudope.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7485/5846/files/41983698632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7250/4483/files/68115545637.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2287/5797/files/story_elements_worksheet_grade_2.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6938/2568/files/classical_approach_to_management.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8750/4294/files/basic_accounting_cycle.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9617/8845/files/nimuwesulodevazeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9715/3943/files/fidotok.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_off00005f6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F6C | 5352 bytes |
SHA-256: ebbb6011bf88dd7872aa4306fd59b670a8262f8617f3dc74dc3189c98303cc2a |
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font_01_sfnt_off000071c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71C6 | 3204 bytes |
SHA-256: a0f5a8dfeaa0bb6dc0effbaf73f2996d6fa971a09dbb121d521afc971fdcd47e |
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font_02_sfnt_off00007eb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EB9 | 2320 bytes |
SHA-256: 5e067315a2bd9524b6254977960f062bb129990ed69868068e29b4596197f3c8 |
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font_03_sfnt_off0000890c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x890C | 11464 bytes |
SHA-256: 391bb3418555f73898444c9d6b23de89f02a6b36e5ddbd38c3ccba962774c224 |
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font_04_sfnt_off0000ae8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE8C | 16224 bytes |
SHA-256: a349519ccbdbca3d75704c2becf615ab37801eb1543272228454131dceb83acc |
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