MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure via the URL 'https://ttraff.com/pify?keyword=the+art+of+molecular+dynamics+simulation+pdf+download'. This suggests the document is designed to lure users into clicking malicious links, likely for phishing or malware distribution.
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=the+art+of+molecular+dynamics+simulation+pdf+download In PDF document text
- http://files.triplecanyoncatahoulas.com/uploads/1/3/1/4/131438265/nugebapero-peleperexaguk.pdfIn PDF document text
- http://files.perciakwedding.com/uploads/1/3/1/3/131398164/9951377.pdfIn PDF document text
- http://files.faithmortimerauthor.com/uploads/1/3/0/8/130874141/4623097.pdfIn PDF document text
- http://files.redbirdvocalmusic.com/uploads/1/3/2/7/132712163/feninili_rigev_rapinoragode_nutumoges.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/2767/7852/files/81581124885.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7474/7558/files/github_360_controller.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1715/0368/files/1956282508.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9073/9361/files/10514194225.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5059/8562/files/6132335953.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7938/4736/files/89403059102.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mofofuledezenededur.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/9664/6556/files/tv_guide_columbia_sc_time_warner_cable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5841/1158/files/central_machinery_lathe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6728/5410/files/bepakokedaxakexod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6238/6074/files/77615183852.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000085d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85D8 | 5420 bytes |
SHA-256: 0e29c4fde6f9ef820b9e121bfb99ecec2f3bf95ef121ff7e668b8f894dc60d00 |
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font_01_sfnt_off00009836.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9836 | 10636 bytes |
SHA-256: 31b12edb32f18467493fc391472707764db57496f870482ccb51790f3d509696 |
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font_02_sfnt_off0000bc45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC45 | 16112 bytes |
SHA-256: 23e5e0a6ad5360bf10628433507e5aab34c42d7d900ccb2a5214949f2168b422 |
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font_03_sfnt_off0000d115.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD115 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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