MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of links, many pointing to a redirector service (ttraff.com) which is known malicious. The document body, though heavily obfuscated, contains the same redirector URL and several benign-looking PDF links hosted on Shopify. This suggests a link farm or SEO poisoning tactic to drive traffic to malicious infrastructure, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=nematodes+parasitology+pdf In PDF document text
- http://gajetes.drrobinkay.org/uploads/1/3/2/3/132303382/72c3b67fcda54.pdfIn PDF document text
- http://files.artemishealingarts.com/uploads/1/3/0/8/130814531/dusag.pdfIn PDF document text
- http://files.birjumaharaj-kalashram.com/uploads/1/3/0/7/130738924/nofugovalawugi_dojizixejiripib_fazafu_gejulugam.pdfIn PDF document text
- http://files.northendoutdoors.com/uploads/1/3/0/7/130739945/raxena.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/1/0433/0687/7080/files/41877136991.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9373/7110/files/centrifugal_compressor_efficiency_calculation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6452/3926/files/puviji.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5937/2439/files/factorial_in_python.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/0833/4744/files/klasifikasi_calopogonium_mucunoides.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mabiwabupo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7828/7513/files/jabemesurubu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0443/6181/0076/files/felodidilaromobibug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9442/4232/files/40715234659.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/64228699698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80170273674.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8368/5270/files/zapumudatelumugelesug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6820/2901/files/21433018246.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36726725464.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_off00006077.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6077 | 5432 bytes |
SHA-256: 86150ca366e881c9b08cb98d46bbabaabcd43fdd6750ee16a6815e5cadbdbee4 |
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font_01_sfnt_off000072ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72EC | 10860 bytes |
SHA-256: bd8e61748297c40efc3005f436c41f2e920959bcd9fd4e997598ec2e3cf4fc07 |
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font_02_sfnt_off00009837.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9837 | 5124 bytes |
SHA-256: 6009ef2d2a4e8907718e56e73b254e4dfcfb6e2e78ea0a4e7c61ee9550ad0728 |
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