MALICIOUS
224
Risk Score
Malware Insights
MITRE ATT&CK
T1204.001 Malicious Link
T1566.002 Spearphishing Attachment
The PDF contains a lure to download a 'pdf to epub app', which is a common social engineering tactic to trick users into installing malicious software or extensions. It embeds numerous links, including a critical redirector link to ttraff.cc, and a large number of external PDF links, suggesting a link farm for SEO poisoning or traffic redirection. The document body explicitly contains the malicious URL and a link to a PDF file hosted on files.leightdickey.com, reinforcing the social engineering aspect.
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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.cc/wb?keyword=download%20pdf%20to%20epub%20app In PDF document text
- http://files.leightdickey.com/uploads/1/3/0/8/130874647/05f8115dbadce.pdfIn PDF document text
- http://files.romeroboots.com/uploads/1/3/1/6/131606231/borikuxixoxesu.pdfIn PDF document text
- http://files.calclugston.com/uploads/1/3/1/4/131438299/mizepo.pdfIn PDF document text
- http://files.southshorelittlehouses.com/uploads/1/3/0/9/130969709/lotopifapasivisil.pdfIn PDF document text
- http://files.mariannewardart.com/uploads/1/3/1/4/131453530/jovarerobigad-bowexil-sosevivodov-jalobo.pdfIn PDF document text
- http://files.niassestudios.com/uploads/1/3/0/8/130874318/b919e96e4ba.pdfIn PDF document text
- http://files.collegiatefitexpo.com/uploads/1/3/0/8/130874325/505627.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://suwedogop.files.wordpress.com/2020/06/35609254349.pdfIn PDF document text
- https://verevovi.files.wordpress.com/2020/07/13166300221.pdfIn PDF document text
- https://wadikow.files.wordpress.com/2020/06/12922159433.pdfIn PDF document text
- https://rejogivowub.files.wordpress.com/2020/07/37117573368.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51507598499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89377355024.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/jepomosojavadoji.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000068d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68D6 | 4824 bytes |
SHA-256: 9cf2bad61b5e1f98fa7fbd76831c1412da7d1d82da5dcfa711ae5ee16fa17f13 |
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font_01_sfnt_off00007961.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7961 | 10376 bytes |
SHA-256: bc88dd8444a69c79a286a23e663595fd4ee78d7a0bb7c056bebaed311b509dd9 |
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font_02_sfnt_off00009ced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CED | 16144 bytes |
SHA-256: 2497516a8097e926c033ff65bc2a14b774712edebe5c3c99bc66b51444d0cd1d |
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